<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:89138083-0808-4b74-b963-74b99cc3851a,g:044bdb1b-ca0f-44cd-849f-33de783eb8e2-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFINCOMELOSS" xlink:type="simple" xlink:href="uis-20231231.xsd#CONSOLIDATEDSTATEMENTSOFINCOMELOSS"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFINCOMELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_625b03f2-48ec-4df2-9584-e6fc3ae72f95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_f7a2efc1-1e62-462c-83bb-ccd4587c4e6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_625b03f2-48ec-4df2-9584-e6fc3ae72f95" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_f7a2efc1-1e62-462c-83bb-ccd4587c4e6c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_608bf9cd-c952-435e-ad26-83c824866bb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_625b03f2-48ec-4df2-9584-e6fc3ae72f95" xlink:to="loc_us-gaap_InterestExpense_608bf9cd-c952-435e-ad26-83c824866bb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_38da1a5e-e932-4306-aa12-a79e485cbf32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_625b03f2-48ec-4df2-9584-e6fc3ae72f95" xlink:to="loc_us-gaap_OperatingIncomeLoss_38da1a5e-e932-4306-aa12-a79e485cbf32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b63e2194-77a6-4ce0-8da8-86dedb784f72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3e1ae9bb-5039-4d86-9701-a47a42e4556f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_b63e2194-77a6-4ce0-8da8-86dedb784f72" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3e1ae9bb-5039-4d86-9701-a47a42e4556f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2f6c19f4-df62-4fb5-aaa6-565d1657bfcf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_b63e2194-77a6-4ce0-8da8-86dedb784f72" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2f6c19f4-df62-4fb5-aaa6-565d1657bfcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_3ec2a117-b78c-432c-bac2-0ff0f658e438" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_5bbb31a9-31d1-4a15-8785-6f71352ac35b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_3ec2a117-b78c-432c-bac2-0ff0f658e438" xlink:to="loc_us-gaap_CostOfRevenue_5bbb31a9-31d1-4a15-8785-6f71352ac35b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_abe87b63-dbe8-49fc-8cbd-d71304acfe86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_3ec2a117-b78c-432c-bac2-0ff0f658e438" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_abe87b63-dbe8-49fc-8cbd-d71304acfe86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_00faf6f6-6b43-4f9f-8f01-50c1a9c33a55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_3ec2a117-b78c-432c-bac2-0ff0f658e438" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_00faf6f6-6b43-4f9f-8f01-50c1a9c33a55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_fa405f7b-0b86-4bff-bfb8-97a7b035d796" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1d6dd13d-fe93-4370-82b9-2cb4ba5484e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_fa405f7b-0b86-4bff-bfb8-97a7b035d796" xlink:to="loc_us-gaap_ProfitLoss_1d6dd13d-fe93-4370-82b9-2cb4ba5484e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_311145cf-e124-4c3e-9936-e68219b840d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_fa405f7b-0b86-4bff-bfb8-97a7b035d796" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_311145cf-e124-4c3e-9936-e68219b840d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_6095685e-ce22-4792-be1c-491e23e8c7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_d5ecbd9f-a7df-44eb-9e3a-e5bbc174b5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_6095685e-ce22-4792-be1c-491e23e8c7b5" xlink:to="loc_us-gaap_Revenues_d5ecbd9f-a7df-44eb-9e3a-e5bbc174b5e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_a6ecc146-b496-4490-addb-7c23db1c5015" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_6095685e-ce22-4792-be1c-491e23e8c7b5" xlink:to="loc_us-gaap_CostsAndExpenses_a6ecc146-b496-4490-addb-7c23db1c5015" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="simple" xlink:href="uis-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0f829e8a-9ea4-424b-b172-ed16316a5552" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c857d38b-6ddb-46fe-9ae0-5f7cf1fe3e92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0f829e8a-9ea4-424b-b172-ed16316a5552" xlink:to="loc_us-gaap_ProfitLoss_c857d38b-6ddb-46fe-9ae0-5f7cf1fe3e92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_132885b7-5337-447b-ab82-30ffd94696d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_0f829e8a-9ea4-424b-b172-ed16316a5552" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_132885b7-5337-447b-ab82-30ffd94696d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_b8c54570-f63e-40ec-8b36-2a52ee28e41d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_e5a037b7-438d-4c9c-8d7a-6859e4acf9b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_b8c54570-f63e-40ec-8b36-2a52ee28e41d" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_e5a037b7-438d-4c9c-8d7a-6859e4acf9b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_fd21a88b-a1e4-428c-aa10-0ec4a6ff0428" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_b8c54570-f63e-40ec-8b36-2a52ee28e41d" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_fd21a88b-a1e4-428c-aa10-0ec4a6ff0428" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_0bb73532-2faa-48b9-bd00-480a30b9c6ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_1b3181d5-ca5b-4e6b-9b2d-005504308f86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_0bb73532-2faa-48b9-bd00-480a30b9c6ec" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_1b3181d5-ca5b-4e6b-9b2d-005504308f86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_c0d1f7f1-46e1-4c54-99d8-677c4a2ed4ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_0bb73532-2faa-48b9-bd00-480a30b9c6ec" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_c0d1f7f1-46e1-4c54-99d8-677c4a2ed4ba" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="uis-20231231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_cc897e28-3dd3-424e-80c9-e63e833e1b04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_bafc5705-8605-460e-bcd1-c28944e061fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_cc897e28-3dd3-424e-80c9-e63e833e1b04" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_bafc5705-8605-460e-bcd1-c28944e061fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_306b7ad2-bae5-46f3-be87-1eef0e66aae6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_cc897e28-3dd3-424e-80c9-e63e833e1b04" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_306b7ad2-bae5-46f3-be87-1eef0e66aae6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_8534bee4-cacd-4e69-9db9-f7ff978b3f7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_f467c1eb-a358-4f20-99b1-3828ee7e931e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8534bee4-cacd-4e69-9db9-f7ff978b3f7b" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_f467c1eb-a358-4f20-99b1-3828ee7e931e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_380f4707-3d55-44da-b823-02affcad3949" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8534bee4-cacd-4e69-9db9-f7ff978b3f7b" xlink:to="loc_us-gaap_AccountsPayableCurrent_380f4707-3d55-44da-b823-02affcad3949" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_5bc1db14-f22b-49e3-824d-52fc4123f1e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8534bee4-cacd-4e69-9db9-f7ff978b3f7b" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_5bc1db14-f22b-49e3-824d-52fc4123f1e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_987a62b6-012a-44f5-a763-d72c61d72554" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8534bee4-cacd-4e69-9db9-f7ff978b3f7b" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_987a62b6-012a-44f5-a763-d72c61d72554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0f50e33a-3f36-41e0-9de9-cde48e8859d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0f50e33a-3f36-41e0-9de9-cde48e8859d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_d83a198f-1d57-46be-a33e-a827d2fe3171" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableNetCurrent_d83a198f-1d57-46be-a33e-a827d2fe3171" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_72c569ec-cc63-4438-9b40-971a213e5cef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_72c569ec-cc63-4438-9b40-971a213e5cef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_71054262-42e9-4fe1-ad7b-95be5be1f93d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:to="loc_us-gaap_InventoryNet_71054262-42e9-4fe1-ad7b-95be5be1f93d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_620ce38e-e0b1-4965-8a34-92f7af36c221" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_61d54c63-ddd4-4ada-a8b3-3b44bb8fe271" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_620ce38e-e0b1-4965-8a34-92f7af36c221" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_800d1125-b43d-4b7e-9ece-5fb66ad5867d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_AssetsCurrent_800d1125-b43d-4b7e-9ece-5fb66ad5867d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_decc093a-2fff-408b-8a9a-69b448c1347f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_decc093a-2fff-408b-8a9a-69b448c1347f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_OutsourcingAssetsNet_34e0f03a-7aa1-48e0-bac2-9d0259cad90a" xlink:href="uis-20231231.xsd#uis_OutsourcingAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_uis_OutsourcingAssetsNet_34e0f03a-7aa1-48e0-bac2-9d0259cad90a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareNet_f7a1ab33-e547-4db1-b4b0-bb97bdc9a17a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CapitalizedComputerSoftwareNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareNet_f7a1ab33-e547-4db1-b4b0-bb97bdc9a17a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_becf5447-ff47-4a7d-a987-692ea1720b36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_becf5447-ff47-4a7d-a987-692ea1720b36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_35d70a43-085b-4e9a-8951-aa64c54d0c77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_35d70a43-085b-4e9a-8951-aa64c54d0c77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_b2449fed-1cde-4549-b65d-a4aeaf45d8d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_b2449fed-1cde-4549-b65d-a4aeaf45d8d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_0a8d564f-8359-4a6c-ba7b-3c56765403f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_Goodwill_0a8d564f-8359-4a6c-ba7b-3c56765403f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_429e7d2a-12d9-4a3b-ac42-f9482cd3044d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_429e7d2a-12d9-4a3b-ac42-f9482cd3044d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_892fe7e7-3a90-4674-9ee4-cf756a2c8b95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_892fe7e7-3a90-4674-9ee4-cf756a2c8b95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_2d77dbe4-c672-4648-8c3f-666f1a92f8e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup_2d77dbe4-c672-4648-8c3f-666f1a92f8e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_3e011268-abb0-4fc8-a70d-ae4aeeff6724" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_77799688-f3de-4af8-bc15-6025d8c60e49" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_3e011268-abb0-4fc8-a70d-ae4aeeff6724" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c9ddf4e7-8751-41a5-bc74-4cdf609f150e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c34acf1b-032c-41bc-909c-4f27a8b027c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c9ddf4e7-8751-41a5-bc74-4cdf609f150e" xlink:to="loc_us-gaap_StockholdersEquity_c34acf1b-032c-41bc-909c-4f27a8b027c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_9715c33c-8bc8-4eaa-acc6-7a83c0b1c1ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c9ddf4e7-8751-41a5-bc74-4cdf609f150e" xlink:to="loc_us-gaap_MinorityInterest_9715c33c-8bc8-4eaa-acc6-7a83c0b1c1ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_63041285-9b67-4c57-98de-69b9e9e21824" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_63041285-9b67-4c57-98de-69b9e9e21824" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_d34c20c5-cd06-4ac6-878d-d9d812d9276a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_d34c20c5-cd06-4ac6-878d-d9d812d9276a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5cbf467e-7b4c-4bdb-8f14-dc5bd0e37c3a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5cbf467e-7b4c-4bdb-8f14-dc5bd0e37c3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_5ae3d4e9-d078-468a-9de4-1a83bb905179" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:to="loc_us-gaap_TreasuryStockCommonValue_5ae3d4e9-d078-468a-9de4-1a83bb905179" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_f4421045-b743-48e7-a91f-769d9b15f29c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_3c22929f-1211-415b-8bac-87153bdec21b" xlink:to="loc_us-gaap_CommonStockValue_f4421045-b743-48e7-a91f-769d9b15f29c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_546d9497-fe58-4e27-aac4-ff2c111f21a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_LiabilitiesCurrent_546d9497-fe58-4e27-aac4-ff2c111f21a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_5d46b380-28bb-4829-9c7a-63a0f836f321" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_5d46b380-28bb-4829-9c7a-63a0f836f321" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_2e77b685-11ed-4a30-9c8f-82f337aa39a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_2e77b685-11ed-4a30-9c8f-82f337aa39a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_63687b3d-d696-4abb-b3ba-868c3663735e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_63687b3d-d696-4abb-b3ba-868c3663735e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_c75d5e92-60c3-4213-a593-b04bd5271dcb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_c75d5e92-60c3-4213-a593-b04bd5271dcb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_aa5a285a-cf7e-4779-884f-a2ccf72550a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_aa5a285a-cf7e-4779-884f-a2ccf72550a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_d0644935-0cb2-404f-815a-e61474d641f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_CommitmentsAndContingencies_d0644935-0cb2-404f-815a-e61474d641f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2eaa510c-2e74-4d87-9979-f727a46b30d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_ea602824-280a-4b4c-a43a-a818a9792806" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2eaa510c-2e74-4d87-9979-f727a46b30d0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="uis-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_0eb02a74-3a19-457b-90b2-efff482cafbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_0eb02a74-3a19-457b-90b2-efff482cafbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_8278df8b-07b4-4b17-910f-1a4bf02fd666" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_8278df8b-07b4-4b17-910f-1a4bf02fd666" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_deb118e7-3ab6-43b7-bab1-1911dc71e166" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_deb118e7-3ab6-43b7-bab1-1911dc71e166" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_CapitalAdditionsOfOutsourcingAssets_073a19b5-87d7-49cb-8a42-1c8e1f5b68b0" xlink:href="uis-20231231.xsd#uis_CapitalAdditionsOfOutsourcingAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_uis_CapitalAdditionsOfOutsourcingAssets_073a19b5-87d7-49cb-8a42-1c8e1f5b68b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_ca9291b3-f9c2-44fb-bb7b-fdcc326f28d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_ca9291b3-f9c2-44fb-bb7b-fdcc326f28d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_8cfbe97a-1276-4e24-bd02-55529a07692f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_8cfbe97a-1276-4e24-bd02-55529a07692f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2d059e61-5dac-4140-a113-496a451511ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_079689b2-78cc-4ec9-90ca-1c13a28530b4" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2d059e61-5dac-4140-a113-496a451511ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9068889a-8c50-4098-b632-2d46a1ccdf84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e903e433-6597-4f83-862d-02623f75216c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9068889a-8c50-4098-b632-2d46a1ccdf84" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e903e433-6597-4f83-862d-02623f75216c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_e8bf196e-64d6-4cad-a6fa-a409d82fc620" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9068889a-8c50-4098-b632-2d46a1ccdf84" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_e8bf196e-64d6-4cad-a6fa-a409d82fc620" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_ce9c49c4-9009-4444-b4ff-3d1db29f48e8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9068889a-8c50-4098-b632-2d46a1ccdf84" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_ce9c49c4-9009-4444-b4ff-3d1db29f48e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_099e660a-ab4b-4d88-b259-b05b6adc00cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9068889a-8c50-4098-b632-2d46a1ccdf84" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_099e660a-ab4b-4d88-b259-b05b6adc00cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_21209068-3a73-425b-8583-021718579623" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CapitalizedComputerSoftwareAmortization1"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_21209068-3a73-425b-8583-021718579623" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_541df2d1-8215-46a4-aaf2-fed520f00f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_541df2d1-8215-46a4-aaf2-fed520f00f6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_023007a6-42df-4484-b2e7-1aceaac0dc8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherPostretirementBenefitsExpenseReversalOfExpenseNoncash"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_OtherPostretirementBenefitsExpenseReversalOfExpenseNoncash_023007a6-42df-4484-b2e7-1aceaac0dc8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_95fbe27f-a7f8-44fe-83c9-e25e96b2111b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_ProfitLoss_95fbe27f-a7f8-44fe-83c9-e25e96b2111b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_8b50be08-bbfd-4a73-8f86-b9e7b4a1c44f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_8b50be08-bbfd-4a73-8f86-b9e7b4a1c44f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_ec45f6be-cc24-4df4-b6fa-44cd77c1965e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_ec45f6be-cc24-4df4-b6fa-44cd77c1965e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_2b7184c8-193c-4782-973f-47f1035285d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_2b7184c8-193c-4782-973f-47f1035285d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_2add18b9-1baf-47e6-8ad3-eebba559d310" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_2add18b9-1baf-47e6-8ad3-eebba559d310" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_78b44ece-6371-4605-b39c-630b747c7eba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_78b44ece-6371-4605-b39c-630b747c7eba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_14ccae2b-88be-4744-b553-a8cd365471b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_14ccae2b-88be-4744-b553-a8cd365471b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_DepreciationAndAmortizationOfOutsourcingAssets_4056996a-38b5-43e5-961c-d48ba7619eb5" xlink:href="uis-20231231.xsd#uis_DepreciationAndAmortizationOfOutsourcingAssets"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_uis_DepreciationAndAmortizationOfOutsourcingAssets_4056996a-38b5-43e5-961c-d48ba7619eb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_a23c08e5-4a4f-4313-8693-e3a9e5d15061" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_a23c08e5-4a4f-4313-8693-e3a9e5d15061" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_a9f01866-9fa4-4229-b6aa-023592ef55de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_a9f01866-9fa4-4229-b6aa-023592ef55de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_ed94e973-5051-4ff0-a8e4-1125fae03978" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_ShareBasedCompensation_ed94e973-5051-4ff0-a8e4-1125fae03978" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitsPayments_5c1771e1-d9b1-4b0b-bff8-7ece8e0fe870" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherPostretirementBenefitsPayments"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_OtherPostretirementBenefitsPayments_5c1771e1-d9b1-4b0b-bff8-7ece8e0fe870" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_baa1fb0a-c8d4-4565-971c-e5534fa9d62a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_baa1fb0a-c8d4-4565-971c-e5534fa9d62a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset_4c29a068-a4f5-4374-8b07-eea055f17cff" xlink:href="uis-20231231.xsd#uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_uis_IncreaseDecreaseInReceivablesAndContractWithCustomerAsset_4c29a068-a4f5-4374-8b07-eea055f17cff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaidInKindInterest_d1adfb2d-84c5-4f6e-ab58-dcd88b723663" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaidInKindInterest"/>
    <link:calculationArc order="18" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_61ecadb1-2698-4369-97cf-b6266f2a607b" xlink:to="loc_us-gaap_PaidInKindInterest_d1adfb2d-84c5-4f6e-ab58-dcd88b723663" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8654735c-ba15-4d43-9bec-bff5f8a79178" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_18782c01-a098-4eb9-9bff-05f16ea2a2d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8654735c-ba15-4d43-9bec-bff5f8a79178" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_18782c01-a098-4eb9-9bff-05f16ea2a2d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_30a972d6-09fe-4885-b73e-3cb2b6fdc62c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8654735c-ba15-4d43-9bec-bff5f8a79178" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_30a972d6-09fe-4885-b73e-3cb2b6fdc62c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9f9f6a87-2953-4929-ae54-ac9f4221d013" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8654735c-ba15-4d43-9bec-bff5f8a79178" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9f9f6a87-2953-4929-ae54-ac9f4221d013" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_5e287a21-df80-47d4-818f-9e1f4069d99c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8654735c-ba15-4d43-9bec-bff5f8a79178" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_5e287a21-df80-47d4-818f-9e1f4069d99c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/SummaryofsignificantaccountingpoliciesReconciliationofCashCashEquivalentsandRestrictedCashDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#SummaryofsignificantaccountingpoliciesReconciliationofCashCashEquivalentsandRestrictedCashDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/SummaryofsignificantaccountingpoliciesReconciliationofCashCashEquivalentsandRestrictedCashDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7123c9c0-c7ba-4432-85fc-4378336fdacf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a123b9a6-14ce-46b2-a440-f3bde5090865" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7123c9c0-c7ba-4432-85fc-4378336fdacf" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_a123b9a6-14ce-46b2-a440-f3bde5090865" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashNoncurrent_27a2193c-1e02-42c5-a27f-90a1eb8a343a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_7123c9c0-c7ba-4432-85fc-4378336fdacf" xlink:to="loc_us-gaap_RestrictedCashNoncurrent_27a2193c-1e02-42c5-a27f-90a1eb8a343a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LeasesandcommitmentsComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#LeasesandcommitmentsComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LeasesandcommitmentsComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseCost_b6cc85eb-58f4-4790-90f6-50f6a6c321f2" xlink:href="uis-20231231.xsd#uis_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_de81d8a4-b5a1-40e9-80ab-aa2802fc6464" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_FinanceLeaseCost_b6cc85eb-58f4-4790-90f6-50f6a6c321f2" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_de81d8a4-b5a1-40e9-80ab-aa2802fc6464" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_082fcb69-65ce-4457-a26c-6c6875911aaa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_FinanceLeaseCost_b6cc85eb-58f4-4790-90f6-50f6a6c321f2" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_082fcb69-65ce-4457-a26c-6c6875911aaa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_9da107aa-31db-4458-bf59-c8e8245a7880" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:to="loc_us-gaap_OperatingLeaseCost_9da107aa-31db-4458-bf59-c8e8245a7880" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseCost_1e1f029b-16c6-46d3-b839-dee4808d14bb" xlink:href="uis-20231231.xsd#uis_FinanceLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:to="loc_uis_FinanceLeaseCost_1e1f029b-16c6-46d3-b839-dee4808d14bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_c5116ec0-abac-4cb6-a069-ad2d01b49820" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:to="loc_us-gaap_ShortTermLeaseCost_c5116ec0-abac-4cb6-a069-ad2d01b49820" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_4b0c2946-d81f-4429-a14e-d0a4d91ad8d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:to="loc_us-gaap_VariableLeaseCost_4b0c2946-d81f-4429-a14e-d0a4d91ad8d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_623fb33d-ac8e-4a13-9298-3013b6a17fec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_66dd6f88-80da-4712-9155-e814bcb09cac" xlink:to="loc_us-gaap_SubleaseIncome_623fb33d-ac8e-4a13-9298-3013b6a17fec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LeasesandcommitmentsSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#LeasesandcommitmentsSupplementalBalanceSheetInformationDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LeasesandcommitmentsSupplementalBalanceSheetInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_391b28dc-6e91-482a-97cf-4c0459879fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_d35b8b03-1257-41c2-8064-cd9888e9cea5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_391b28dc-6e91-482a-97cf-4c0459879fbe" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_d35b8b03-1257-41c2-8064-cd9888e9cea5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_9aa220d0-df84-4430-a995-7ab950604127" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_391b28dc-6e91-482a-97cf-4c0459879fbe" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_9aa220d0-df84-4430-a995-7ab950604127" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_f682f020-0126-411c-a718-5e88cbab51fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_0601b0ab-5b1a-4699-803b-27833412bc92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_f682f020-0126-411c-a718-5e88cbab51fc" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_0601b0ab-5b1a-4699-803b-27833412bc92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_cdbe6b9c-3f85-4c93-b0b4-fdb620e2374b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_f682f020-0126-411c-a718-5e88cbab51fc" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_cdbe6b9c-3f85-4c93-b0b4-fdb620e2374b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details" xlink:type="simple" xlink:href="uis-20231231.xsd#LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_0924c042-49b1-4aeb-b2aa-d3767a9508e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_0924c042-49b1-4aeb-b2aa-d3767a9508e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_2cc39172-ce89-4816-a2ab-ca43e8f8975a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_2cc39172-ce89-4816-a2ab-ca43e8f8975a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_265c1498-1b46-4e7d-9d3b-781f7e29d30e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_265c1498-1b46-4e7d-9d3b-781f7e29d30e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_ba1d5418-8411-4d7c-b2e5-0ef8a191a37f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_ba1d5418-8411-4d7c-b2e5-0ef8a191a37f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_88c16056-11cd-4f7b-bbb9-ae9c23bfe238" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_88c16056-11cd-4f7b-bbb9-ae9c23bfe238" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_a7f83b6b-4dbc-4df0-9055-7cc817e202f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_ebde8798-2900-41e2-b211-b7bc9c7ef29d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_a7f83b6b-4dbc-4df0-9055-7cc817e202f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_9c4ae763-a029-42cf-a893-8422a5dd1d72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_9c4ae763-a029-42cf-a893-8422a5dd1d72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_617a1c44-8357-4652-9502-4a6a7c9f89a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_617a1c44-8357-4652-9502-4a6a7c9f89a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8f75d321-5ecc-4ffd-9cef-da4c3c87ff1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_8f75d321-5ecc-4ffd-9cef-da4c3c87ff1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_aa982089-7285-417f-b3fa-35aabe7107de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_aa982089-7285-417f-b3fa-35aabe7107de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_061b69fe-d917-461f-af41-0f314697fcd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_061b69fe-d917-461f-af41-0f314697fcd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_0c7c169a-6cf6-4b03-8b38-c33ed8ee963e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d34312c8-b809-4b31-8034-58d7fea41a25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_0c7c169a-6cf6-4b03-8b38-c33ed8ee963e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details_1" xlink:type="simple" xlink:href="uis-20231231.xsd#LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details_1"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LeasesandcommitmentsMaturitiesofLeaseLiabilitiesTopic842Details_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_073a9858-df57-4120-a295-4895193d2e0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_aeaa656c-3d6e-48c7-b8da-b38534044c81" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_073a9858-df57-4120-a295-4895193d2e0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_aeaa656c-3d6e-48c7-b8da-b38534044c81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_31adf07a-5b24-4972-8dfe-137c519837cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_073a9858-df57-4120-a295-4895193d2e0f" xlink:to="loc_us-gaap_FinanceLeaseLiability_31adf07a-5b24-4972-8dfe-137c519837cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0d6608af-ff7e-4dba-9ad5-923476f74dfe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_57b528a3-768c-4bf8-ab4b-c4c4b44801c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0d6608af-ff7e-4dba-9ad5-923476f74dfe" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_57b528a3-768c-4bf8-ab4b-c4c4b44801c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_31ea5d81-964a-49b3-a13b-44709426a014" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0d6608af-ff7e-4dba-9ad5-923476f74dfe" xlink:to="loc_us-gaap_OperatingLeaseLiability_31ea5d81-964a-49b3-a13b-44709426a014" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/LeasesandcommitmentsReceivablesUnderSalesTypeLeaseDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#LeasesandcommitmentsReceivablesUnderSalesTypeLeaseDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/LeasesandcommitmentsReceivablesUnderSalesTypeLeaseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_774042ae-4f46-40d0-8fef-7543e2700231" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_774042ae-4f46-40d0-8fef-7543e2700231" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_111e5d70-99f0-4de0-94e2-6c6d66b685b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_111e5d70-99f0-4de0-94e2-6c6d66b685b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_d589ecd6-d487-4df4-899c-b0450baac4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_d589ecd6-d487-4df4-899c-b0450baac4a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_b33edd60-671b-46c7-804c-341f432d332e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_b33edd60-671b-46c7-804c-341f432d332e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears_ca7a3120-bd89-41aa-bde9-ec7d29c9f04c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears_ca7a3120-bd89-41aa-bde9-ec7d29c9f04c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter_0dfa13b0-197f-4419-8271-bde520ff683a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_a194f4ca-01aa-4c97-8106-ca510a4b85fa" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter_0dfa13b0-197f-4419-8271-bde520ff683a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/OtherexpensenetDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#OtherexpensenetDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/OtherexpensenetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_5122110f-5b8c-4007-8c0c-5bc4fc3e9edf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitExpense_f006ac2e-32ae-4b9c-9f8c-257269b397e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherPostretirementBenefitExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_5122110f-5b8c-4007-8c0c-5bc4fc3e9edf" xlink:to="loc_us-gaap_OtherPostretirementBenefitExpense_f006ac2e-32ae-4b9c-9f8c-257269b397e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_OtherNonoperatingIncomeExpenseEnvironmentalAndOther_90d87d21-2885-4f0b-a0c7-00fd6448278a" xlink:href="uis-20231231.xsd#uis_OtherNonoperatingIncomeExpenseEnvironmentalAndOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_5122110f-5b8c-4007-8c0c-5bc4fc3e9edf" xlink:to="loc_uis_OtherNonoperatingIncomeExpenseEnvironmentalAndOther_90d87d21-2885-4f0b-a0c7-00fd6448278a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_77f71cfb-f746-46ff-97d6-4acc1c3940f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_5122110f-5b8c-4007-8c0c-5bc4fc3e9edf" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_77f71cfb-f746-46ff-97d6-4acc1c3940f3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/IncometaxesTotalIncomeLossFromContinuingOperationsBeforeIncomeTaxesandProvisionBenefitforIncomeTaxesDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#IncometaxesTotalIncomeLossFromContinuingOperationsBeforeIncomeTaxesandProvisionBenefitforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/IncometaxesTotalIncomeLossFromContinuingOperationsBeforeIncomeTaxesandProvisionBenefitforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3d12a3b4-5df4-4be1-9f5f-c2910909bca6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_8d4e7cca-22da-482b-90f2-ed19dfd96e22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3d12a3b4-5df4-4be1-9f5f-c2910909bca6" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_8d4e7cca-22da-482b-90f2-ed19dfd96e22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_83463642-2059-4adb-ad9a-bc960b109ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3d12a3b4-5df4-4be1-9f5f-c2910909bca6" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_83463642-2059-4adb-ad9a-bc960b109ac0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_304edccb-38c7-449b-9cff-42ba30f407d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_6b272854-c8b9-4ba4-901b-d55417e255ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_304edccb-38c7-449b-9cff-42ba30f407d4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_6b272854-c8b9-4ba4-901b-d55417e255ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_978c4efb-a204-4ab7-a6fe-94cf6bc7cf61" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_304edccb-38c7-449b-9cff-42ba30f407d4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_978c4efb-a204-4ab7-a6fe-94cf6bc7cf61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_82c974c8-47ee-4091-afc7-28ba1ac2904e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_1710c684-8f1a-4aeb-a70f-42ae05e9b7cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_82c974c8-47ee-4091-afc7-28ba1ac2904e" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_1710c684-8f1a-4aeb-a70f-42ae05e9b7cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_d4ea3b07-a679-4700-b0eb-df7fab0e3d1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_82c974c8-47ee-4091-afc7-28ba1ac2904e" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_d4ea3b07-a679-4700-b0eb-df7fab0e3d1e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/IncometaxesReconciliationoftheProvisionBenefitforIncomeTaxesDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#IncometaxesReconciliationoftheProvisionBenefitforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/IncometaxesReconciliationoftheProvisionBenefitforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_e57c7e10-3f1c-47d3-abaf-bd9f4decb6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_e57c7e10-3f1c-47d3-abaf-bd9f4decb6fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_f6ff8720-4528-4d5f-b0b7-9fd00bfa84eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_f6ff8720-4528-4d5f-b0b7-9fd00bfa84eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_97762ab0-5ea9-4a87-bd20-ff2541547286" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_97762ab0-5ea9-4a87-bd20-ff2541547286" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_IncomeTaxReconciliationIncomeTaxWithholdings_7d3d5551-d8cc-4fb9-b562-38b915b519db" xlink:href="uis-20231231.xsd#uis_IncomeTaxReconciliationIncomeTaxWithholdings"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_uis_IncomeTaxReconciliationIncomeTaxWithholdings_7d3d5551-d8cc-4fb9-b562-38b915b519db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCredits_028f51f2-f43b-45f7-974c-19117e03fe4c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationTaxCredits"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCredits_028f51f2-f43b-45f7-974c-19117e03fe4c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_0e32653b-7ec9-4e15-acd3-7598539e4941" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_0e32653b-7ec9-4e15-acd3-7598539e4941" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_IncomeTaxReconciliationPretaxIncomeLoss_0581e50f-da0a-484f-9741-6e2f6dd6b8c7" xlink:href="uis-20231231.xsd#uis_IncomeTaxReconciliationPretaxIncomeLoss"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_uis_IncomeTaxReconciliationPretaxIncomeLoss_0581e50f-da0a-484f-9741-6e2f6dd6b8c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_8cf08db6-2fc2-4206-9ecc-bae410b8ca72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_8cf08db6-2fc2-4206-9ecc-bae410b8ca72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_d8b9d291-db8c-423a-be4c-bb877aea01e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_d8b9d291-db8c-423a-be4c-bb877aea01e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_IncomeTaxReconciliationNondeductibleExpenseBenefit_aa3ac33e-48df-4010-b55f-4cf7a6f194cb" xlink:href="uis-20231231.xsd#uis_IncomeTaxReconciliationNondeductibleExpenseBenefit"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_4c4f9074-62a2-4435-b1b9-171f3ab73420" xlink:to="loc_uis_IncomeTaxReconciliationNondeductibleExpenseBenefit_aa3ac33e-48df-4010-b55f-4cf7a6f194cb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/IncometaxesSignificantPortionsofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#IncometaxesSignificantPortionsofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/IncometaxesSignificantPortionsofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_ca64b37c-bdc8-4149-8577-03d8a0c93025" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_ca64b37c-bdc8-4149-8577-03d8a0c93025" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_40bbcc21-ac31-4ef0-9e50-0b0f4af0d8d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_40bbcc21-ac31-4ef0-9e50-0b0f4af0d8d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_4e032046-a119-48ef-b44e-79431bd94c6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_4e032046-a119-48ef-b44e-79431bd94c6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_9295ea2d-f0cd-4103-ac1b-94b0d148356f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_9295ea2d-f0cd-4103-ac1b-94b0d148356f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_05c03546-34d5-4aed-a4fd-35fcbd6b317b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_05c03546-34d5-4aed-a4fd-35fcbd6b317b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_d941239f-13f3-47d8-bad3-6a87eab58638" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_d941239f-13f3-47d8-bad3-6a87eab58638" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_DeferredTaxAssetsPurchasedCapitalizedSoftware_27056f01-ce8d-47c6-af58-bfe48eff800b" xlink:href="uis-20231231.xsd#uis_DeferredTaxAssetsPurchasedCapitalizedSoftware"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_uis_DeferredTaxAssetsPurchasedCapitalizedSoftware_27056f01-ce8d-47c6-af58-bfe48eff800b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_f3a4a767-db84-461e-ab42-432b650ea31d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_f3a4a767-db84-461e-ab42-432b650ea31d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_18acad5c-b62e-4307-8d36-8f9d87a161a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_18acad5c-b62e-4307-8d36-8f9d87a161a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_DeferredTaxAssetsCapitalizedCosts_10be2354-044a-4f74-8648-5affba4ef409" xlink:href="uis-20231231.xsd#uis_DeferredTaxAssetsCapitalizedCosts"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_uis_DeferredTaxAssetsCapitalizedCosts_10be2354-044a-4f74-8648-5affba4ef409" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_bb10e8df-d6d5-4ad4-8583-1ba1f76418ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_ec33271e-736c-4b03-9ddc-17d0bfda8983" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_bb10e8df-d6d5-4ad4-8583-1ba1f76418ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_71cf49e5-3dae-4a1f-9296-adb5ae0d81e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts_f102727a-3fb8-4757-a8d6-3c750f46319d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_71cf49e5-3dae-4a1f-9296-adb5ae0d81e5" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts_f102727a-3fb8-4757-a8d6-3c750f46319d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_b7db86ea-d508-47d2-9ac6-cbcea98b40e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_71cf49e5-3dae-4a1f-9296-adb5ae0d81e5" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_b7db86ea-d508-47d2-9ac6-cbcea98b40e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_cc1ba225-2235-4259-afb9-b917dbb24385" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_0261935d-1350-45c3-b096-c5c8e25edac1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_cc1ba225-2235-4259-afb9-b917dbb24385" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_0261935d-1350-45c3-b096-c5c8e25edac1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_a19431d9-537e-4405-b35b-786c62423b2c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_cc1ba225-2235-4259-afb9-b917dbb24385" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_a19431d9-537e-4405-b35b-786c62423b2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_598b410d-0f6e-43bb-a897-63d1863d765a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_d978aabf-411c-4255-9274-119def318630" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_598b410d-0f6e-43bb-a897-63d1863d765a" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_d978aabf-411c-4255-9274-119def318630" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_bcb1256b-c54d-4537-ac1b-a67aa29e9162" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_598b410d-0f6e-43bb-a897-63d1863d765a" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_bcb1256b-c54d-4537-ac1b-a67aa29e9162" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/IncometaxesTaxLossCarryforwardsDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#IncometaxesTaxLossCarryforwardsDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/IncometaxesTaxLossCarryforwardsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_c980b63f-26a1-4c6b-96cb-e7a30a6f2472" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_b97fc990-da26-4f28-90b5-35f0f917f642" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_c980b63f-26a1-4c6b-96cb-e7a30a6f2472" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration_b97fc990-da26-4f28-90b5-35f0f917f642" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_49d9bee7-dfae-4f7e-8d61-23338b0844b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_c980b63f-26a1-4c6b-96cb-e7a30a6f2472" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_49d9bee7-dfae-4f7e-8d61-23338b0844b6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/IncometaxesTaxLossCarryforwardsDetails_1" xlink:type="simple" xlink:href="uis-20231231.xsd#IncometaxesTaxLossCarryforwardsDetails_1"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/IncometaxesTaxLossCarryforwardsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_347b6587-8bb8-446f-bf70-14c734c5ee02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_dc234483-89f9-47a8-b142-93aa4902b7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_347b6587-8bb8-446f-bf70-14c734c5ee02" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_dc234483-89f9-47a8-b142-93aa4902b7f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_3e77b0d8-8b55-4945-9215-c5aeaa29f543" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_347b6587-8bb8-446f-bf70-14c734c5ee02" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal_3e77b0d8-8b55-4945-9215-c5aeaa29f543" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_090487d8-e746-4735-9336-78bc6a9b0755" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_347b6587-8bb8-446f-bf70-14c734c5ee02" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_090487d8-e746-4735-9336-78bc6a9b0755" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/EarningslosspercommonshareDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#EarningslosspercommonshareDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/EarningslosspercommonshareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d30e7228-5d4c-40f4-bbd8-f5b28bf2f34c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_949c18b2-0801-4c13-8477-a8fc93c18d1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d30e7228-5d4c-40f4-bbd8-f5b28bf2f34c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_949c18b2-0801-4c13-8477-a8fc93c18d1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_63ccea33-5c69-4fbc-a884-3d76a0a6db7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d30e7228-5d4c-40f4-bbd8-f5b28bf2f34c" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_63ccea33-5c69-4fbc-a884-3d76a0a6db7e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/FinancialinstrumentsandconcentrationofcreditrisksFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#FinancialinstrumentsandconcentrationofcreditrisksFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/FinancialinstrumentsandconcentrationofcreditrisksFairValueofForeignExchangeForwardContractsbyBalanceSheetLocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_0ac98f96-92b6-4982-bc2c-0d8b8c370c2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_a71a1757-cb3f-4bb3-9901-ada8d6bd4256" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_0ac98f96-92b6-4982-bc2c-0d8b8c370c2b" xlink:to="loc_us-gaap_DerivativeAssets_a71a1757-cb3f-4bb3-9901-ada8d6bd4256" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_22d6e4b8-1e61-488a-a000-fa74d302ecda" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_0ac98f96-92b6-4982-bc2c-0d8b8c370c2b" xlink:to="loc_us-gaap_DerivativeLiabilities_22d6e4b8-1e61-488a-a000-fa74d302ecda" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/GoodwillandintangibleassetsIntangibleAssetsNetDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#GoodwillandintangibleassetsIntangibleAssetsNetDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/GoodwillandintangibleassetsIntangibleAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c047ec2-0333-4fa7-881a-966f8b0b5b71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_171dc4e3-d194-418a-baa3-5313d02d87e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c047ec2-0333-4fa7-881a-966f8b0b5b71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_171dc4e3-d194-418a-baa3-5313d02d87e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6a5c755c-3df2-4552-9041-352c2fb2fba8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_4c047ec2-0333-4fa7-881a-966f8b0b5b71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6a5c755c-3df2-4552-9041-352c2fb2fba8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/GoodwillandintangibleassetsScheduleofFutureAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#GoodwillandintangibleassetsScheduleofFutureAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/GoodwillandintangibleassetsScheduleofFutureAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_dab65452-1de0-44e8-858a-8b335ca257a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_dab65452-1de0-44e8-858a-8b335ca257a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_20e034a2-4146-49b7-9186-28326b999452" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_20e034a2-4146-49b7-9186-28326b999452" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_e5f53bbf-76d4-484e-8282-2e7620ca028d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_e5f53bbf-76d4-484e-8282-2e7620ca028d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_eb2b0636-4d53-42fd-8c14-f69ff8c9bffa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_eb2b0636-4d53-42fd-8c14-f69ff8c9bffa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_bdbe3175-30ac-4c77-8846-ed2b5f5d1ed3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_bdbe3175-30ac-4c77-8846-ed2b5f5d1ed3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_a5ddd7fc-5b50-4c7d-96db-f4ccc19d4ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9b728b3a-1e75-4c9a-beff-15339d1d3439" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_a5ddd7fc-5b50-4c7d-96db-f4ccc19d4ca5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtComponentsofLongtermDebtDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#DebtComponentsofLongtermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtComponentsofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_e54a7c77-f195-4227-beed-45b8da8d449b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2dd4ab14-a888-4bff-80b4-0da4e856da5a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_e54a7c77-f195-4227-beed-45b8da8d449b" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2dd4ab14-a888-4bff-80b4-0da4e856da5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_2f1a6009-eff4-4b8b-8b58-b94291afcc29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_e54a7c77-f195-4227-beed-45b8da8d449b" xlink:to="loc_us-gaap_FinanceLeaseLiability_2f1a6009-eff4-4b8b-8b58-b94291afcc29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_fa566338-ef9d-49c3-8fc6-b0bff2802f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_e54a7c77-f195-4227-beed-45b8da8d449b" xlink:to="loc_us-gaap_OtherLongTermDebt_fa566338-ef9d-49c3-8fc6-b0bff2802f2c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtComponentsofLongtermDebtDetails_1" xlink:type="simple" xlink:href="uis-20231231.xsd#DebtComponentsofLongtermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtComponentsofLongtermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_0c2718c6-22bb-4435-a0ec-20035e4876fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_06206cb4-68ed-4194-bdd8-d3f72bbbe51a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_0c2718c6-22bb-4435-a0ec-20035e4876fb" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_06206cb4-68ed-4194-bdd8-d3f72bbbe51a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_0951139c-3613-4eb0-9dae-de53efeec6ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_0c2718c6-22bb-4435-a0ec-20035e4876fb" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_0951139c-3613-4eb0-9dae-de53efeec6ce" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8c97478c-26b2-449f-9908-685e5d745332" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths_aba7839a-300f-42b4-81b3-66b54361264e" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8c97478c-26b2-449f-9908-685e5d745332" xlink:to="loc_uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths_aba7839a-300f-42b4-81b3-66b54361264e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo_662e9278-099c-4aff-a593-8632fd601849" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8c97478c-26b2-449f-9908-685e5d745332" xlink:to="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo_662e9278-099c-4aff-a593-8632fd601849" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree_e73c0414-ea06-4a2c-a8f6-9c2964ba195b" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8c97478c-26b2-449f-9908-685e5d745332" xlink:to="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree_e73c0414-ea06-4a2c-a8f6-9c2964ba195b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour_09aca511-7557-41ce-881a-7a76611f1226" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_8c97478c-26b2-449f-9908-685e5d745332" xlink:to="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour_09aca511-7557-41ce-881a-7a76611f1226" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_d60c3c98-075d-4446-947d-6e10ee756a17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation_3ee61375-39b7-4744-84c5-5ee7814ba5cf" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_d60c3c98-075d-4446-947d-6e10ee756a17" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation_3ee61375-39b7-4744-84c5-5ee7814ba5cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation_a539d0d1-3a64-428c-af53-22d27633fb88" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_d60c3c98-075d-4446-947d-6e10ee756a17" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation_a539d0d1-3a64-428c-af53-22d27633fb88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation_31d6f22a-44ad-47ac-aef1-ebd16219c80f" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_d60c3c98-075d-4446-947d-6e10ee756a17" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation_31d6f22a-44ad-47ac-aef1-ebd16219c80f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation_2538c1f3-5383-44a4-834f-b40689b7122f" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_d60c3c98-075d-4446-947d-6e10ee756a17" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation_2538c1f3-5383-44a4-834f-b40689b7122f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_10a5619f-2d37-4679-b930-9a2cbd5e2ffb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_0ff8ad0d-972e-47e2-b476-4d8956dc95f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_10a5619f-2d37-4679-b930-9a2cbd5e2ffb" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_0ff8ad0d-972e-47e2-b476-4d8956dc95f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_a7184bc1-a3c5-4012-a50b-82d6e6ab8ccd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_10a5619f-2d37-4679-b930-9a2cbd5e2ffb" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_a7184bc1-a3c5-4012-a50b-82d6e6ab8ccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_ad3db425-cb02-4b8a-a731-507a9bb3f858" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_10a5619f-2d37-4679-b930-9a2cbd5e2ffb" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_ad3db425-cb02-4b8a-a731-507a9bb3f858" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0094686c-32db-4481-ab36-e4424fec45ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_10a5619f-2d37-4679-b930-9a2cbd5e2ffb" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0094686c-32db-4481-ab36-e4424fec45ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths_5ef15467-fc66-4f85-8dcb-d7ad659c1f5a" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_9c3a98c6-2eef-4d46-aaed-a0382d22b6c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths_5ef15467-fc66-4f85-8dcb-d7ad659c1f5a" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_9c3a98c6-2eef-4d46-aaed-a0382d22b6c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation_cce21896-7630-4385-a4b3-b0221a20209b" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsRepaymentsofPrincipalinNextTwelveMonths_5ef15467-fc66-4f85-8dcb-d7ad659c1f5a" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueNextTwelveMonthsDiscountedObligation_cce21896-7630-4385-a4b3-b0221a20209b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour_f7e3e767-ce9e-4016-9e22-74b6e585af5c" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_57f59612-30c0-4624-aecc-739a4fd693a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour_f7e3e767-ce9e-4016-9e22-74b6e585af5c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_57f59612-30c0-4624-aecc-739a4fd693a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation_5bcb3251-30a0-48cb-a5cf-e6a51a1bd762" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearFour_f7e3e767-ce9e-4016-9e22-74b6e585af5c" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearFourDiscountedObligation_5bcb3251-30a0-48cb-a5cf-e6a51a1bd762" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo_1dcdcb6e-87b6-40b1-bee2-7f5e15d9a4a1" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_b43feac7-bdf6-4e75-a3b1-7787957637dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo_1dcdcb6e-87b6-40b1-bee2-7f5e15d9a4a1" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_b43feac7-bdf6-4e75-a3b1-7787957637dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation_365358d4-4b7b-4902-ba90-78124cba43e1" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearTwo_1dcdcb6e-87b6-40b1-bee2-7f5e15d9a4a1" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearTwoDiscountedObligation_365358d4-4b7b-4902-ba90-78124cba43e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree_d918bd39-fe9e-4f6d-8c74-7c65954a75d5" xlink:href="uis-20231231.xsd#uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_b3892d64-dd9b-46b6-83d2-8f9016c0f127" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree_d918bd39-fe9e-4f6d-8c74-7c65954a75d5" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_b3892d64-dd9b-46b6-83d2-8f9016c0f127" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation_f35f8e03-153c-44a3-a150-eb1cdf840845" xlink:href="uis-20231231.xsd#uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_uis_LongtermDebtandLeaseObligationsMaturitiesRepaymentsofPrincipalinYearThree_d918bd39-fe9e-4f6d-8c74-7c65954a75d5" xlink:to="loc_uis_FinanceLeaseLiabilityPaymentsDueYearThreeDiscountedObligation_f35f8e03-153c-44a3-a150-eb1cdf840845" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails_1" xlink:type="simple" xlink:href="uis-20231231.xsd#DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtMaturitiesofLongtermDebtIncludingFinanceLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_dd1814cb-33d1-41da-9292-c76c80d2eb54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_02e0b215-7c86-451c-96c6-9b304e7718da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_dd1814cb-33d1-41da-9292-c76c80d2eb54" xlink:to="loc_us-gaap_LongTermDebt_02e0b215-7c86-451c-96c6-9b304e7718da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_9c5303f6-fa17-4937-a078-5645288e98bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_dd1814cb-33d1-41da-9292-c76c80d2eb54" xlink:to="loc_us-gaap_FinanceLeaseLiability_9c5303f6-fa17-4937-a078-5645288e98bd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/DebtInterestExpenseDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#DebtInterestExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/DebtInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_2ca2457e-4960-4725-a356-66aef284bdc9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_7e5a1a17-4b2f-4229-87ee-d35221077a3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_2ca2457e-4960-4725-a356-66aef284bdc9" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_7e5a1a17-4b2f-4229-87ee-d35221077a3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_6b2c2966-1093-4920-893f-118e5fab4baa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfDebtDiscountPremium"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_2ca2457e-4960-4725-a356-66aef284bdc9" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_6b2c2966-1093-4920-893f-118e5fab4baa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_c23d1554-9aca-4d43-a289-f4f0e576ec80" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseDebt_2ca2457e-4960-4725-a356-66aef284bdc9" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_c23d1554-9aca-4d43-a289-f4f0e576ec80" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/OtheraccruedliabilitiesSummaryDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#OtheraccruedliabilitiesSummaryDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/OtheraccruedliabilitiesSummaryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_b832f20c-4460-49cd-8a12-3eb9199a004d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_b832f20c-4460-49cd-8a12-3eb9199a004d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_b5ebe70c-fe0b-44fe-b40c-6735df4719d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_b5ebe70c-fe0b-44fe-b40c-6735df4719d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_89ba59c1-ebf5-4faa-a907-a3d9e9b450d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_RestructuringReserveCurrent_89ba59c1-ebf5-4faa-a907-a3d9e9b450d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_fe753987-7ed4-41f3-8a0c-6abaa7fa1928" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_fe753987-7ed4-41f3-8a0c-6abaa7fa1928" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_7c681fdb-eebd-4aa4-b544-169960b77aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_7c681fdb-eebd-4aa4-b544-169960b77aa0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedVacationCurrent_e9eb7385-e874-4d07-a057-131ebb6dfa26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedVacationCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_AccruedVacationCurrent_e9eb7385-e874-4d07-a057-131ebb6dfa26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_5e8c850e-c706-419c-878d-60c70a0ac827" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_5e8c850e-c706-419c-878d-60c70a0ac827" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_c1f6ebbb-7b9d-48f9-804f-1a8b28324d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_InterestPayableCurrent_c1f6ebbb-7b9d-48f9-804f-1a8b28324d2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_0434dffc-612e-43e0-8800-a862b3631ad8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_5083cd2e-02ed-4484-a63b-c68428e62116" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_0434dffc-612e-43e0-8800-a862b3631ad8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/EmployeeplansFundedStatusofthePlanandAmountsRecognizedinConsolidatedBalanceSheetDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#EmployeeplansFundedStatusofthePlanandAmountsRecognizedinConsolidatedBalanceSheetDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/EmployeeplansFundedStatusofthePlanandAmountsRecognizedinConsolidatedBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a0c3e88a-4efc-4e52-8130-175d723bf151" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_23034d3c-d306-4147-b2f1-5be3aba9f967" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a0c3e88a-4efc-4e52-8130-175d723bf151" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_23034d3c-d306-4147-b2f1-5be3aba9f967" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_107d2b00-3aae-4aef-8a02-7f23d17f9d08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a0c3e88a-4efc-4e52-8130-175d723bf151" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_107d2b00-3aae-4aef-8a02-7f23d17f9d08" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/EmployeeplansComponentsofNetPeriodicBenefitExpenseDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#EmployeeplansComponentsofNetPeriodicBenefitExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/EmployeeplansComponentsofNetPeriodicBenefitExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_00b17c3a-4898-4257-8d29-167e2202fa15" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_00b17c3a-4898-4257-8d29-167e2202fa15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_905d5207-06d6-4071-8a98-91d012c2071e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_905d5207-06d6-4071-8a98-91d012c2071e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_b2da8f97-78f0-4797-9a0f-e06ceb5ca713" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_b2da8f97-78f0-4797-9a0f-e06ceb5ca713" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_35c7947c-c2ab-4be8-9720-37b7651bdd9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_35c7947c-c2ab-4be8-9720-37b7651bdd9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_8af16e18-71e7-47c1-80ca-470897338e09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_8af16e18-71e7-47c1-80ca-470897338e09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_30533af9-85f1-4862-9bad-0e299dda47d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_51e32b00-6a95-4744-9345-65e71face013" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_30533af9-85f1-4862-9bad-0e299dda47d1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/StockholdersequityAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#StockholdersequityAccumulatedOtherComprehensiveLossDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/StockholdersequityAccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5bda1455-287f-4d1a-89a1-badd7bd26aad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_13aeb8d4-bfe0-48b8-b1a8-34da1ce48d59" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5bda1455-287f-4d1a-89a1-badd7bd26aad" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_13aeb8d4-bfe0-48b8-b1a8-34da1ce48d59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_2df4c10d-5593-4137-9920-eddfe9d1cb67" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_5bda1455-287f-4d1a-89a1-badd7bd26aad" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_2df4c10d-5593-4137-9920-eddfe9d1cb67" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.unisys.com/role/StockholdersequityAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="uis-20231231.xsd#StockholdersequityAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails"/>
  <link:calculationLink xlink:role="http://www.unisys.com/role/StockholdersequityAmountsReclassifiedOutofAccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_50ba84ab-2fa2-4105-95cf-6b85b2c484ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_26a31723-ab04-491b-aedb-ef5049d21252" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_50ba84ab-2fa2-4105-95cf-6b85b2c484ab" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_26a31723-ab04-491b-aedb-ef5049d21252" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_59f8c272-13ef-4519-a6b5-40c30ef792b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_50ba84ab-2fa2-4105-95cf-6b85b2c484ab" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_59f8c272-13ef-4519-a6b5-40c30ef792b6" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
