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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:eae42c62-6e0f-417d-bfca-f35e2fc383c9,g:bdd9e5d3-2e97-4e81-83d9-b1f3060fe9c6-->
<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.huntington.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="hban-20250930.xsd#ConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/ConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_d817ee63-3665-426f-a5d5-9ca33c42fd39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_PreferredStockValue_d817ee63-3665-426f-a5d5-9ca33c42fd39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_ba22ddf2-01e2-4540-b8a9-e1c709782b6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_CommonStockValue_ba22ddf2-01e2-4540-b8a9-e1c709782b6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_1e0794e3-e2d5-4df0-8ad2-f586c645c030" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_AdditionalPaidInCapital_1e0794e3-e2d5-4df0-8ad2-f586c645c030" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_56163da5-7ba2-47fc-9f1f-4e57cded189a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_TreasuryStockCommonValue_56163da5-7ba2-47fc-9f1f-4e57cded189a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_907f4575-4a0a-4333-922b-a119074a7c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_907f4575-4a0a-4333-922b-a119074a7c6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_fa8f2b56-f898-4402-ab6e-160f6ec2ca46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_7d43d7a2-c2f9-4289-81a4-8a92629f69f6" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_fa8f2b56-f898-4402-ab6e-160f6ec2ca46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_2d4e1bd9-4ee2-43f2-ae66-7fe094c20e7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Deposits"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestBearingDepositLiabilitiesDomestic_2370b4bb-607f-4f6f-8ebc-cba44ec51948" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestBearingDepositLiabilitiesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_2d4e1bd9-4ee2-43f2-ae66-7fe094c20e7c" xlink:to="loc_us-gaap_NoninterestBearingDepositLiabilitiesDomestic_2370b4bb-607f-4f6f-8ebc-cba44ec51948" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestBearingDepositLiabilitiesDomestic_c4405d99-c7d0-424e-9499-ae58fe74aee6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestBearingDepositLiabilitiesDomestic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_2d4e1bd9-4ee2-43f2-ae66-7fe094c20e7c" xlink:to="loc_us-gaap_InterestBearingDepositLiabilitiesDomestic_c4405d99-c7d0-424e-9499-ae58fe74aee6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_ccb868f7-08d2-43d0-a265-679766fc6e7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_56d8c864-8624-4493-8846-aa7a3908ba56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_ccb868f7-08d2-43d0-a265-679766fc6e7e" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_56d8c864-8624-4493-8846-aa7a3908ba56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_b7079cdb-4b4e-4726-a985-e34d538302fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_ccb868f7-08d2-43d0-a265-679766fc6e7e" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_b7079cdb-4b4e-4726-a985-e34d538302fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_490118a9-3ab7-4c81-9252-812009faca10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_77fb61e7-a524-430f-b410-256a2c901053" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Deposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_490118a9-3ab7-4c81-9252-812009faca10" xlink:to="loc_us-gaap_Deposits_77fb61e7-a524-430f-b410-256a2c901053" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_5be3dcc3-06f2-48fe-96f7-4bfd3076d5a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_490118a9-3ab7-4c81-9252-812009faca10" xlink:to="loc_us-gaap_ShortTermBorrowings_5be3dcc3-06f2-48fe-96f7-4bfd3076d5a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_ac4d9ab1-cda6-4abe-916f-80070053c1f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_490118a9-3ab7-4c81-9252-812009faca10" xlink:to="loc_us-gaap_LongTermDebt_ac4d9ab1-cda6-4abe-916f-80070053c1f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_29f9aeb9-15f0-46cb-a7f5-29456a4c4c58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_490118a9-3ab7-4c81-9252-812009faca10" xlink:to="loc_us-gaap_OtherLiabilities_29f9aeb9-15f0-46cb-a7f5-29456a4c4c58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d6b35cd2-9a1d-4507-a5e4-aa4f56fa4bce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_bb3b9706-f8fa-4056-a143-e520503871bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d6b35cd2-9a1d-4507-a5e4-aa4f56fa4bce" xlink:to="loc_us-gaap_MinorityInterest_bb3b9706-f8fa-4056-a143-e520503871bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_58e9eb67-f4f7-4c87-b3c0-6d8e106b4855" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d6b35cd2-9a1d-4507-a5e4-aa4f56fa4bce" xlink:to="loc_us-gaap_StockholdersEquity_58e9eb67-f4f7-4c87-b3c0-6d8e106b4855" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_b6aafdd6-87f9-4a79-a495-1e0b99924a6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_OtherAssets_b6aafdd6-87f9-4a79-a495-1e0b99924a6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_9f867ee0-bbae-48aa-ab85-c365bae79074" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_9f867ee0-bbae-48aa-ab85-c365bae79074" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_095c9cb0-07de-427e-b872-4844caf90ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_095c9cb0-07de-427e-b872-4844caf90ce0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_fce7541e-1397-4a9d-9e31-6d0c6d05a1d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_fce7541e-1397-4a9d-9e31-6d0c6d05a1d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_46476f9a-4a06-49fd-a452-14254e705171" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_Goodwill_46476f9a-4a06-49fd-a452-14254e705171" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecuritiesDebt_d491f5df-753e-48ca-8d6e-045989080b66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecuritiesDebt"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_TradingSecuritiesDebt_d491f5df-753e-48ca-8d6e-045989080b66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_ff09c07e-bd72-46c7-9960-5fcdc58debee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_ff09c07e-bd72-46c7-9960-5fcdc58debee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_e8d42e91-7de0-438c-b574-7c2ec7250be6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_e8d42e91-7de0-438c-b574-7c2ec7250be6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankOwnedLifeInsurance_87a4226f-a0e0-464f-87a8-4fd9e78872ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BankOwnedLifeInsurance"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_BankOwnedLifeInsurance_87a4226f-a0e0-464f-87a8-4fd9e78872ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_d9d305ad-82e0-4575-bbbd-4d66cbbca4bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_d9d305ad-82e0-4575-bbbd-4d66cbbca4bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndDueFromBanks_f6e65584-1034-46de-929f-ace736a5af9b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndDueFromBanks"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_CashAndDueFromBanks_f6e65584-1034-46de-929f-ace736a5af9b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_InterestAndOtherReceivables_c96d64e5-af60-44d3-bf8b-6c97311d4725" xlink:href="hban-20250930.xsd#hban_InterestAndOtherReceivables"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_hban_InterestAndOtherReceivables_c96d64e5-af60-44d3-bf8b-6c97311d4725" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_572b259f-f241-462f-adea-134391138d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_572b259f-f241-462f-adea-134391138d3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestBearingDepositsInBanks_13044c34-f5df-419c-aa0e-2553b6fd42d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestBearingDepositsInBanks"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5ab5df0a-8d65-4bef-8258-d3f22ea06439" xlink:to="loc_us-gaap_InterestBearingDepositsInBanks_13044c34-f5df-419c-aa0e-2553b6fd42d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_da5996ce-f910-4325-b596-7471ac2991b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7d4cf5e0-de29-4a81-9a8f-0a8c9212c72b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da5996ce-f910-4325-b596-7471ac2991b3" xlink:to="loc_us-gaap_Liabilities_7d4cf5e0-de29-4a81-9a8f-0a8c9212c72b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_7edd8549-7dbb-4ce4-ab21-5dd14b60d191" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da5996ce-f910-4325-b596-7471ac2991b3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_7edd8549-7dbb-4ce4-ab21-5dd14b60d191" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ab17c696-6b31-4f05-a703-5731d077ebe5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da5996ce-f910-4325-b596-7471ac2991b3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ab17c696-6b31-4f05-a703-5731d077ebe5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/ConsolidatedStatementsofIncomeUnaudited" xlink:type="simple" xlink:href="hban-20250930.xsd#ConsolidatedStatementsofIncomeUnaudited"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/ConsolidatedStatementsofIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_f8ab0d4e-b90f-4883-a6a7-04223c797f28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_1789619a-cd36-4796-a95a-168925803da1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_f8ab0d4e-b90f-4883-a6a7-04223c797f28" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_1789619a-cd36-4796-a95a-168925803da1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_9565aebe-bc59-42d0-8728-b180be00991d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_f8ab0d4e-b90f-4883-a6a7-04223c797f28" xlink:to="loc_us-gaap_InterestExpenseOperating_9565aebe-bc59-42d0-8728-b180be00991d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_5d835f35-8ae1-45fb-b062-892f07b02951" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_9ad0c307-ef45-4fd8-a93c-a55407d3f65a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_5d835f35-8ae1-45fb-b062-892f07b02951" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_9ad0c307-ef45-4fd8-a93c-a55407d3f65a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_3504dde5-99b1-4534-a61d-f295c89a580b" xlink:href="hban-20250930.xsd#hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_5d835f35-8ae1-45fb-b062-892f07b02951" xlink:to="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_3504dde5-99b1-4534-a61d-f295c89a580b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_31e214b2-2128-45d3-9294-dbbd1f38292f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_622186c1-01e0-426f-b3cb-275593f6e7bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_31e214b2-2128-45d3-9294-dbbd1f38292f" xlink:to="loc_us-gaap_ProfitLoss_622186c1-01e0-426f-b3cb-275593f6e7bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_d75d254f-81f5-475a-bd3f-8d066dd78980" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_31e214b2-2128-45d3-9294-dbbd1f38292f" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_d75d254f-81f5-475a-bd3f-8d066dd78980" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_dab27c15-a57d-42af-b4b0-e774ad2b947f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_5d3922bb-778e-441d-9106-a25612dce0eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dab27c15-a57d-42af-b4b0-e774ad2b947f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_5d3922bb-778e-441d-9106-a25612dce0eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_365611bc-11fe-4aaa-aa58-ed4c40cf0297" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_dab27c15-a57d-42af-b4b0-e774ad2b947f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_365611bc-11fe-4aaa-aa58-ed4c40cf0297" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_cdab707c-2131-48cb-b74e-2467acbe88db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDeposits_83dcce46-d45f-4224-98f9-05fb12dc5d97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseDeposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_cdab707c-2131-48cb-b74e-2467acbe88db" xlink:to="loc_us-gaap_InterestExpenseDeposits_83dcce46-d45f-4224-98f9-05fb12dc5d97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseShortTermBorrowings_7637beec-3cc3-46e2-835d-e1fe10793275" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseShortTermBorrowings"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_cdab707c-2131-48cb-b74e-2467acbe88db" xlink:to="loc_us-gaap_InterestExpenseShortTermBorrowings_7637beec-3cc3-46e2-835d-e1fe10793275" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOtherLongTermDebt_84536b8d-199d-4446-831f-8918ecd98905" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOtherLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_cdab707c-2131-48cb-b74e-2467acbe88db" xlink:to="loc_us-gaap_InterestExpenseOtherLongTermDebt_84536b8d-199d-4446-831f-8918ecd98905" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_442a1c88-0c52-40ed-b745-4b610fed5518" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_LaborAndRelatedExpense_442a1c88-0c52-40ed-b745-4b610fed5518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_193bc09b-8a05-49b3-a210-3b9f0fd12baa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InformationTechnologyAndDataProcessing"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_193bc09b-8a05-49b3-a210-3b9f0fd12baa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentExpense_aee2404a-f019-45d9-8008-ce4303e789f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquipmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_EquipmentExpense_aee2404a-f019-45d9-8008-ce4303e789f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyNet_ac280483-13ca-4ca9-80b6-618fdb3c288a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OccupancyNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_OccupancyNet_ac280483-13ca-4ca9-80b6-618fdb3c288a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketingAndAdvertisingExpense_d28e0937-74fd-4bf4-89f4-4d438bfe9bd8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MarketingAndAdvertisingExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_MarketingAndAdvertisingExpense_d28e0937-74fd-4bf4-89f4-4d438bfe9bd8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_5a099d3f-53fa-4af4-9692-46740b85192f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfessionalFees"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_ProfessionalFees_5a099d3f-53fa-4af4-9692-46740b85192f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_dd4bd09f-cb47-4659-abab-c06282d3c38f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FederalDepositInsuranceCorporationPremiumExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_dd4bd09f-cb47-4659-abab-c06282d3c38f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_5fbb3ce4-67ce-4180-8ba1-ca4f01da9605" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_5fbb3ce4-67ce-4180-8ba1-ca4f01da9605" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationNonproduction_57f15e87-d27c-4905-94a2-2bf8c03920cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationNonproduction"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_DepreciationNonproduction_57f15e87-d27c-4905-94a2-2bf8c03920cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoninterestExpense_e050088a-efd5-48b8-93e5-2167a3f5dd88" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoninterestExpense"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_499f98e9-1515-4fff-9953-a948ef989fe7" xlink:to="loc_us-gaap_OtherNoninterestExpense_e050088a-efd5-48b8-93e5-2167a3f5dd88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f5c54dc0-714e-46ae-8e2d-37dae5efd3e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_59d6adbd-1574-46bd-b6b0-2b9b86ad4deb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f5c54dc0-714e-46ae-8e2d-37dae5efd3e5" xlink:to="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_59d6adbd-1574-46bd-b6b0-2b9b86ad4deb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_22a63d80-45b8-4463-9ac3-36120fb80666" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f5c54dc0-714e-46ae-8e2d-37dae5efd3e5" xlink:to="loc_us-gaap_NoninterestIncome_22a63d80-45b8-4463-9ac3-36120fb80666" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_d13a6d2d-cf1e-4041-a76d-94518f0ea3fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f5c54dc0-714e-46ae-8e2d-37dae5efd3e5" xlink:to="loc_us-gaap_NoninterestExpense_d13a6d2d-cf1e-4041-a76d-94518f0ea3fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_3df4efaf-64aa-4232-84c0-a6800c81e964" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_3df4efaf-64aa-4232-84c0-a6800c81e964" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxable_0171d231-88ad-45af-96c1-6554ab565673" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeSecuritiesTaxable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxable_0171d231-88ad-45af-96c1-6554ab565673" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_e518f0b2-c61f-4591-ba4b-456ed24dcb45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeSecuritiesTaxExempt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_e518f0b2-c61f-4591-ba4b-456ed24dcb45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_dbdfc43e-6c5d-4b96-a7c2-64fa8b68ecb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_us-gaap_InterestAndDividendIncomeSecuritiesHeldToMaturity_dbdfc43e-6c5d-4b96-a7c2-64fa8b68ecb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInterestAndDividendIncome_e2de273c-a06f-46dc-bf04-b060dac8dc28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherInterestAndDividendIncome"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_us-gaap_OtherInterestAndDividendIncome_e2de273c-a06f-46dc-bf04-b060dac8dc28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_InterestIncomeSecuritiesOperatingOtherTaxable_7cd02205-b6a2-42cc-8b37-7724701c0e1d" xlink:href="hban-20250930.xsd#hban_InterestIncomeSecuritiesOperatingOtherTaxable"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_5fa7340d-5045-49e2-9236-12d26209bad7" xlink:to="loc_hban_InterestIncomeSecuritiesOperatingOtherTaxable_7cd02205-b6a2-42cc-8b37-7724701c0e1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_962065c2-4fd4-469e-9a92-69c00833c2c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_365a0427-489d-4b39-a970-dc142849a4e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_962065c2-4fd4-469e-9a92-69c00833c2c7" xlink:to="loc_us-gaap_NetIncomeLoss_365a0427-489d-4b39-a970-dc142849a4e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_ac201287-d5df-4587-b1fa-db6eb1778930" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPreferredStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_962065c2-4fd4-469e-9a92-69c00833c2c7" xlink:to="loc_us-gaap_DividendsPreferredStock_ac201287-d5df-4587-b1fa-db6eb1778930" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/ConsolidatedStatementsofComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="hban-20250930.xsd#ConsolidatedStatementsofComprehensiveIncomeUnaudited"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/ConsolidatedStatementsofComprehensiveIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_f97744de-b715-4b89-912e-e9f8e1b2378d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_566afbee-3dcd-4579-a68c-9a17ae83a75b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_f97744de-b715-4b89-912e-e9f8e1b2378d" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_566afbee-3dcd-4579-a68c-9a17ae83a75b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_31eec0a8-a1f4-4573-a6ed-e7cb308d5223" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_f97744de-b715-4b89-912e-e9f8e1b2378d" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_31eec0a8-a1f4-4573-a6ed-e7cb308d5223" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a60ebe27-86f9-4ea1-bf2c-fbcbf4e5260c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_3c52e3d5-0000-4c54-9e2b-f79566c0eb45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a60ebe27-86f9-4ea1-bf2c-fbcbf4e5260c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent_3c52e3d5-0000-4c54-9e2b-f79566c0eb45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_9f50293a-bca2-4847-997e-fa9538fcccd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a60ebe27-86f9-4ea1-bf2c-fbcbf4e5260c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_9f50293a-bca2-4847-997e-fa9538fcccd4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_202335d7-08d6-4a24-87de-6ae5d44eed1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a60ebe27-86f9-4ea1-bf2c-fbcbf4e5260c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_202335d7-08d6-4a24-87de-6ae5d44eed1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent_be75ff0c-c802-425c-8627-08b0d5fb5d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_a60ebe27-86f9-4ea1-bf2c-fbcbf4e5260c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent_be75ff0c-c802-425c-8627-08b0d5fb5d1c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/ConsolidatedStatementsofComprehensiveIncomeUnaudited_1" xlink:type="simple" xlink:href="hban-20250930.xsd#ConsolidatedStatementsofComprehensiveIncomeUnaudited_1"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/ConsolidatedStatementsofComprehensiveIncomeUnaudited_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_a0fa8275-0d0b-4549-8d6f-64c784d57ada" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_fe4ea5d0-cb86-46b9-abff-1a02742aefd1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_a0fa8275-0d0b-4549-8d6f-64c784d57ada" xlink:to="loc_us-gaap_NetIncomeLoss_fe4ea5d0-cb86-46b9-abff-1a02742aefd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_eb2f4274-d605-46dd-8525-a13194daef13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_a0fa8275-0d0b-4549-8d6f-64c784d57ada" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_eb2f4274-d605-46dd-8525-a13194daef13" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="hban-20250930.xsd#ConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/ConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_b93bb95b-e5df-4b2d-ac22-a2e027cb893e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ca29874f-18b6-46cd-80ba-cc9145242ffa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_b93bb95b-e5df-4b2d-ac22-a2e027cb893e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ca29874f-18b6-46cd-80ba-cc9145242ffa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5156aa3c-21b9-41de-9f8a-518723b29bf8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_b93bb95b-e5df-4b2d-ac22-a2e027cb893e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_5156aa3c-21b9-41de-9f8a-518723b29bf8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_630c951d-0a29-4e03-abae-4f359ba916e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_b93bb95b-e5df-4b2d-ac22-a2e027cb893e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_630c951d-0a29-4e03-abae-4f359ba916e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_01a446f6-54cf-4847-a8a4-e71d1d2950c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_ProfitLoss_01a446f6-54cf-4847-a8a4-e71d1d2950c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_47b2ca41-da61-4bfd-b0fc-66ba567833d5" xlink:href="hban-20250930.xsd#hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_47b2ca41-da61-4bfd-b0fc-66ba567833d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_4ed9c16c-8e9c-4211-9c73-9f4cb3741c37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_4ed9c16c-8e9c-4211-9c73-9f4cb3741c37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_05dfce46-121a-42e3-94c1-9871925a28ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_ShareBasedCompensation_05dfce46-121a-42e3-94c1-9871925a28ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e6d0fcc7-a466-4e89-ab7b-b15879f68960" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e6d0fcc7-a466-4e89-ab7b-b15879f68960" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndEquitySecuritiesGainLoss_9702a67e-3863-46ff-b6c4-d112fe7a4f97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtAndEquitySecuritiesGainLoss"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_DebtAndEquitySecuritiesGainLoss_9702a67e-3863-46ff-b6c4-d112fe7a4f97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d04d5508-401e-445c-b30b-a9f85a9cbdcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d04d5508-401e-445c-b30b-a9f85a9cbdcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_795713d5-3d5d-4f0f-a49a-08a2b3e29c36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInTradingSecurities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_795713d5-3d5d-4f0f-a49a-08a2b3e29c36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInLoansHeldForSale_1674d7cc-81c2-4016-8a11-568b85078ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInLoansHeldForSale"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_IncreaseDecreaseInLoansHeldForSale_1674d7cc-81c2-4016-8a11-568b85078ee7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_AccruedIncomeAndOtherAssets_c8a6c03f-d1c6-423c-a045-f0052850fc08" xlink:href="hban-20250930.xsd#hban_AccruedIncomeAndOtherAssets"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_hban_AccruedIncomeAndOtherAssets_c8a6c03f-d1c6-423c-a045-f0052850fc08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInNotesPayableCurrent_6e10cdc5-c354-456a-8254-7c43e5a53271" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInNotesPayableCurrent"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_IncreaseDecreaseInNotesPayableCurrent_6e10cdc5-c354-456a-8254-7c43e5a53271" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_f614fc7f-1f20-40e9-80ac-095bd8575e82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_f614fc7f-1f20-40e9-80ac-095bd8575e82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_6d9b0267-22b9-409e-b3b3-a09961156e28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c2a3e02e-ac23-4b0a-b2f5-6b1156323512" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_6d9b0267-22b9-409e-b3b3-a09961156e28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_6aa973d3-1571-4c91-8430-29d63c9b236d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromPaymentsForInInterestBearingDepositsInBanks_6aa973d3-1571-4c91-8430-29d63c9b236d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_de9e2071-77d0-41db-910c-2e24f73bcab9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_de9e2071-77d0-41db-910c-2e24f73bcab9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_edc2d093-44c9-4ca1-978c-1c3fa9923159" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_edc2d093-44c9-4ca1-978c-1c3fa9923159" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_b6dda0b9-5bf6-495b-b83e-0a369caf5d05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments_b6dda0b9-5bf6-495b-b83e-0a369caf5d05" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_3c2970a5-c9cf-4d3a-a5d6-c45770e4ece5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_3c2970a5-c9cf-4d3a-a5d6-c45770e4ece5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_34ccd7f6-ac7f-4405-a329-4a08f999c321" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_34ccd7f6-ac7f-4405-a329-4a08f999c321" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_31d920e9-ee14-454a-86fe-6ed8bc356f11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_31d920e9-ee14-454a-86fe-6ed8bc356f11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_PaymentsToAcquireOtherSecurities_9fab5342-eb37-4510-84fa-080e90a5127e" xlink:href="hban-20250930.xsd#hban_PaymentsToAcquireOtherSecurities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_hban_PaymentsToAcquireOtherSecurities_9fab5342-eb37-4510-84fa-080e90a5127e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfLoansHeldForInvestment_460ae8b7-2916-4274-a7f1-be17da0829c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForInvestment"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_ProceedsFromSaleOfLoansHeldForInvestment_460ae8b7-2916-4274-a7f1-be17da0829c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_FinancePrincipalLeasePayments_4cc9f554-aa8c-49fa-a55c-4c88a2fb0518" xlink:href="hban-20250930.xsd#hban_FinancePrincipalLeasePayments"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_hban_FinancePrincipalLeasePayments_4cc9f554-aa8c-49fa-a55c-4c88a2fb0518" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherLoansAndLeases_09233d1d-97cc-4c56-8e8f-211567d3a15d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherLoansAndLeases"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherLoansAndLeases_09233d1d-97cc-4c56-8e8f-211567d3a15d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3c475b9d-e92d-4189-901a-9a37511cbf5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3c475b9d-e92d-4189-901a-9a37511cbf5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_d20967dd-b892-4282-a510-c92443f6207e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireFinanceReceivables"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_d20967dd-b892-4282-a510-c92443f6207e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_PaymentsForProceedsFromInterestReceivablesAndOtherReceivablesActivity_b638bf9a-35e2-4e84-a082-d794b2747329" xlink:href="hban-20250930.xsd#hban_PaymentsForProceedsFromInterestReceivablesAndOtherReceivablesActivity"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_hban_PaymentsForProceedsFromInterestReceivablesAndOtherReceivablesActivity_b638bf9a-35e2-4e84-a082-d794b2747329" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_0156c7dc-f0f3-4539-8d08-0d19659b005e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d93914f8-4cfa-4579-aa17-b246e72c242b" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_0156c7dc-f0f3-4539-8d08-0d19659b005e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_0d59c139-b731-4493-84e5-ba954e260875" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits_0d59c139-b731-4493-84e5-ba954e260875" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_001174ff-b625-4a99-980e-20717dcb8f18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_001174ff-b625-4a99-980e-20717dcb8f18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_2d1460f9-20df-4dbe-b85b-97ba461383a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_2d1460f9-20df-4dbe-b85b-97ba461383a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_ad3f39ef-98aa-4527-8a6d-9dc7b5e165c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_ad3f39ef-98aa-4527-8a6d-9dc7b5e165c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_7ce5bf23-c935-4c23-ba6c-d01a508f1087" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_7ce5bf23-c935-4c23-ba6c-d01a508f1087" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_d41bcf41-6123-4975-84b4-55df8fd99a1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_d41bcf41-6123-4975-84b4-55df8fd99a1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_0d90a40c-e0ae-4b4f-9d25-6a522eb2a290" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_0d90a40c-e0ae-4b4f-9d25-6a522eb2a290" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6b8153ed-6286-46ac-a44c-a63ec6f5ac8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_92189423-60c7-4e17-abab-c862eeb2c728" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6b8153ed-6286-46ac-a44c-a63ec6f5ac8d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESScheduleofAmortizedCostFairValueandGrossUnrealizedGainsandLossesDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#INVESTMENTSECURITIESANDOTHERSECURITIESScheduleofAmortizedCostFairValueandGrossUnrealizedGainsandLossesDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESScheduleofAmortizedCostFairValueandGrossUnrealizedGainsandLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_ee08f3fd-694e-4ed3-a282-f78bca01100d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_929cd97f-c77b-46a4-b2f3-daf50d9a5fb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_ee08f3fd-694e-4ed3-a282-f78bca01100d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_929cd97f-c77b-46a4-b2f3-daf50d9a5fb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_34b04518-529d-4026-926a-ca1f3445ea44" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_ee08f3fd-694e-4ed3-a282-f78bca01100d" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_34b04518-529d-4026-926a-ca1f3445ea44" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_4cb0a646-67bb-4732-9537-6f1a1b2b6ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_ee08f3fd-694e-4ed3-a282-f78bca01100d" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_4cb0a646-67bb-4732-9537-6f1a1b2b6ec5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_aea16c23-5e88-4343-95f4-acb451997ed7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_8a3e67c4-b655-4369-88f4-e326e56860b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_aea16c23-5e88-4343-95f4-acb451997ed7" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_8a3e67c4-b655-4369-88f4-e326e56860b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_b1efc287-f74b-47b5-bb5f-f6b1448a7b71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_aea16c23-5e88-4343-95f4-acb451997ed7" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_b1efc287-f74b-47b5-bb5f-f6b1448a7b71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_aca47748-0feb-48ba-8e59-36959bc251e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_aea16c23-5e88-4343-95f4-acb451997ed7" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_aca47748-0feb-48ba-8e59-36959bc251e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCost_3913a34d-3690-49c8-a194-692f0cca2ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNiCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax_9c1ea310-a9d0-45da-88d9-df58f512065f" xlink:href="hban-20250930.xsd#hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquitySecuritiesFvNiCost_3913a34d-3690-49c8-a194-692f0cca2ddc" xlink:to="loc_hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax_9c1ea310-a9d0-45da-88d9-df58f512065f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_859453ce-f6d6-49a5-b6df-116d9f208a73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquitySecuritiesFvNiCost_3913a34d-3690-49c8-a194-692f0cca2ddc" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_859453ce-f6d6-49a5-b6df-116d9f208a73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax_b705ce23-6fd2-4948-8f14-6e83ec722b93" xlink:href="hban-20250930.xsd#hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EquitySecuritiesFvNiCost_3913a34d-3690-49c8-a194-692f0cca2ddc" xlink:to="loc_hban_EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax_b705ce23-6fd2-4948-8f14-6e83ec722b93" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESContractualMaturitiesDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#INVESTMENTSECURITIESANDOTHERSECURITIESContractualMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESContractualMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_25878fa6-ac52-4b1b-993e-6c29a82584cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_2d5689c8-4f95-44e8-b2f4-7d3e21259e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_25878fa6-ac52-4b1b-993e-6c29a82584cf" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_2d5689c8-4f95-44e8-b2f4-7d3e21259e0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_ca339caf-91b1-4070-af65-333e00236c02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_25878fa6-ac52-4b1b-993e-6c29a82584cf" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_ca339caf-91b1-4070-af65-333e00236c02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_564b9e9c-ab60-49a1-9d8e-f126bfe4cacc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_25878fa6-ac52-4b1b-993e-6c29a82584cf" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_564b9e9c-ab60-49a1-9d8e-f126bfe4cacc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_44d007ab-738a-4ae9-89e7-9137713a16e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss_25878fa6-ac52-4b1b-993e-6c29a82584cf" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_44d007ab-738a-4ae9-89e7-9137713a16e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_4db09d48-3441-4b29-8fc2-1fadf1a56f04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_edf25e29-5109-4f00-a15f-88e947457483" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_4db09d48-3441-4b29-8fc2-1fadf1a56f04" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_edf25e29-5109-4f00-a15f-88e947457483" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne_e5aeab46-965a-4eba-9abd-445c19b53e25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_4db09d48-3441-4b29-8fc2-1fadf1a56f04" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne_e5aeab46-965a-4eba-9abd-445c19b53e25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_0968a35f-fce6-4339-bff8-2e4498da934a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_4db09d48-3441-4b29-8fc2-1fadf1a56f04" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_0968a35f-fce6-4339-bff8-2e4498da934a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive_21e1fa19-0a13-4143-9875-2293e8849735" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_4db09d48-3441-4b29-8fc2-1fadf1a56f04" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive_21e1fa19-0a13-4143-9875-2293e8849735" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_dbfe57db-13d4-41f1-9150-f25eef2dd155" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_545d52bc-d480-48e3-81a1-913457880e75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_dbfe57db-13d4-41f1-9150-f25eef2dd155" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_545d52bc-d480-48e3-81a1-913457880e75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_d43265c1-1d26-4b49-bf63-5633e2ed6d27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_dbfe57db-13d4-41f1-9150-f25eef2dd155" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_d43265c1-1d26-4b49-bf63-5633e2ed6d27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_d1d89951-23f2-4c59-94e3-b56cb84a7d6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_dbfe57db-13d4-41f1-9150-f25eef2dd155" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_d1d89951-23f2-4c59-94e3-b56cb84a7d6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_670d9f5e-5dd7-4ae4-90af-ecbfd8cd7ba3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_dbfe57db-13d4-41f1-9150-f25eef2dd155" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_670d9f5e-5dd7-4ae4-90af-ecbfd8cd7ba3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_99805b64-f962-4584-ab47-a3fe8df19a9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue_f1f1a2ea-d668-473e-9473-a64fb07198d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_99805b64-f962-4584-ab47-a3fe8df19a9a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue_f1f1a2ea-d668-473e-9473-a64fb07198d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_bba5f7fa-1726-4a27-a3c8-d5845400fe3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_99805b64-f962-4584-ab47-a3fe8df19a9a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_bba5f7fa-1726-4a27-a3c8-d5845400fe3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_59f6b45a-80db-4a1b-a029-cad83dca156a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_99805b64-f962-4584-ab47-a3fe8df19a9a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_59f6b45a-80db-4a1b-a029-cad83dca156a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_4fa33a5a-03cf-4e44-854c-8a9873e57e33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_99805b64-f962-4584-ab47-a3fe8df19a9a" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_4fa33a5a-03cf-4e44-854c-8a9873e57e33" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESContinuousUnrealizedLossPositionDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#INVESTMENTSECURITIESANDOTHERSECURITIESContinuousUnrealizedLossPositionDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/INVESTMENTSECURITIESANDOTHERSECURITIESContinuousUnrealizedLossPositionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_85bd2411-ae5d-433e-9775-b52ca225b9a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_97a87c0e-f5d6-4b4b-b5e0-eca4fbcbb9f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_85bd2411-ae5d-433e-9775-b52ca225b9a1" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_97a87c0e-f5d6-4b4b-b5e0-eca4fbcbb9f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_30e8d06c-2c42-475e-bfda-e44642d32a26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_85bd2411-ae5d-433e-9775-b52ca225b9a1" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_30e8d06c-2c42-475e-bfda-e44642d32a26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_8e228f42-c41a-4b69-bf6e-f426498760e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d03a9ad8-2cba-4d0d-a2e9-43285175747c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_8e228f42-c41a-4b69-bf6e-f426498760e9" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d03a9ad8-2cba-4d0d-a2e9-43285175747c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_5dfdc850-0588-4200-9c43-aaa13ff61a08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_8e228f42-c41a-4b69-bf6e-f426498760e9" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_5dfdc850-0588-4200-9c43-aaa13ff61a08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_2d703c8e-dbc4-49bf-8cd8-033b5703748e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_003713a7-e6ff-4c9a-a070-ad970872b5a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_2d703c8e-dbc4-49bf-8cd8-033b5703748e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_003713a7-e6ff-4c9a-a070-ad970872b5a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_6ae44711-971a-48c2-8d7e-748e87e03735" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_2d703c8e-dbc4-49bf-8cd8-033b5703748e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_6ae44711-971a-48c2-8d7e-748e87e03735" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_4f8af307-6959-4aaf-a6fb-04a3eafc221f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_67606dd9-e611-4791-8254-d8c9b48400b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_4f8af307-6959-4aaf-a6fb-04a3eafc221f" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_67606dd9-e611-4791-8254-d8c9b48400b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_a5beb11a-91fe-454d-9680-1114e35aee58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_4f8af307-6959-4aaf-a6fb-04a3eafc221f" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_a5beb11a-91fe-454d-9680-1114e35aee58" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/LOANSANDLEASESDirectFinancingLeasesDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#LOANSANDLEASESDirectFinancingLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/LOANSANDLEASESDirectFinancingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_hban_DirectFinancingLeaseGrossInvestmentInDirectFinancingLeases_81952259-2b50-4913-b0d1-85397197d8f6" xlink:href="hban-20250930.xsd#hban_DirectFinancingLeaseGrossInvestmentInDirectFinancingLeases"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectFinancingLeaseUnguaranteedResidualAsset_90c51a91-3f1d-40a8-b5ad-af87532fc16c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DirectFinancingLeaseUnguaranteedResidualAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hban_DirectFinancingLeaseGrossInvestmentInDirectFinancingLeases_81952259-2b50-4913-b0d1-85397197d8f6" xlink:to="loc_us-gaap_DirectFinancingLeaseUnguaranteedResidualAsset_90c51a91-3f1d-40a8-b5ad-af87532fc16c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectFinancingLeaseLeaseReceivable_d5125464-af87-4fc3-8802-3cf802de9c7f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DirectFinancingLeaseLeaseReceivable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_hban_DirectFinancingLeaseGrossInvestmentInDirectFinancingLeases_81952259-2b50-4913-b0d1-85397197d8f6" xlink:to="loc_us-gaap_DirectFinancingLeaseLeaseReceivable_d5125464-af87-4fc3-8802-3cf802de9c7f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/LOANSANDLEASESVintageandCreditQualityDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#LOANSANDLEASESVintageandCreditQualityDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/LOANSANDLEASESVintageandCreditQualityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_18d64e9f-627d-447d-ae24-bcbbc8493d47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_18d64e9f-627d-447d-ae24-bcbbc8493d47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_5e8aee04-19e6-4dff-9123-8138a4facf89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_5e8aee04-19e6-4dff-9123-8138a4facf89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_c42e14db-27b6-44b6-971b-8b4ddbf567af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_c42e14db-27b6-44b6-971b-8b4ddbf567af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_dddd4b11-9260-46bb-b116-eb60d3643cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_dddd4b11-9260-46bb-b116-eb60d3643cf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_4bbf1b11-ff64-4c1b-8bc5-7f903c3e3632" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_4bbf1b11-ff64-4c1b-8bc5-7f903c3e3632" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_209aad4f-91ae-4928-9e4a-b2b70cc572e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolving"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_209aad4f-91ae-4928-9e4a-b2b70cc572e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_da041ce3-e3c8-41b8-b72d-befdbbf35cb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_da041ce3-e3c8-41b8-b72d-befdbbf35cb0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_4b0dccdb-3964-4a7a-ab67-809374fc71d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_2553d179-d407-4ab3-9669-334449d11c84" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_4b0dccdb-3964-4a7a-ab67-809374fc71d5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/LOANSANDLEASESGrossChargeoffsofLoansandLeasesDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#LOANSANDLEASESGrossChargeoffsofLoansandLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/LOANSANDLEASESGrossChargeoffsofLoansandLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_8c1db82c-44de-48c5-b6c1-802afde2d8de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_8c1db82c-44de-48c5-b6c1-802afde2d8de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_1314b43f-dd79-4699-8138-05107de028ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_1314b43f-dd79-4699-8138-05107de028ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_32095e33-9973-42c3-a7ac-f9fd2db67ace" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_32095e33-9973-42c3-a7ac-f9fd2db67ace" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_e85d7b5b-4ae2-4be7-b426-0bfe0f4b6fd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_e85d7b5b-4ae2-4be7-b426-0bfe0f4b6fd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_3ccacae4-24fd-41f4-b02f-f61451832715" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_3ccacae4-24fd-41f4-b02f-f61451832715" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_6244c946-a864-423b-bc11-e065795a7940" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_6244c946-a864-423b-bc11-e065795a7940" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_88ff62f7-fd34-4ec1-b444-94bcea459581" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_88ff62f7-fd34-4ec1-b444-94bcea459581" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_69548628-48b0-470d-a22f-8f35ef5220c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_20501f23-1032-47a0-9bd9-513257ba6670" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_69548628-48b0-470d-a22f-8f35ef5220c7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/OTHERCOMPREHENSIVEINCOMEActivityRollForwardDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#OTHERCOMPREHENSIVEINCOMEActivityRollForwardDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/OTHERCOMPREHENSIVEINCOMEActivityRollForwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_87553546-7d05-4db9-8881-81f8e5d1b2b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_552b73bf-58c3-4496-9bbb-a96a0baa1d65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_87553546-7d05-4db9-8881-81f8e5d1b2b9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_552b73bf-58c3-4496-9bbb-a96a0baa1d65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_56c10e52-a2cb-4e05-a674-72de071640e3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_87553546-7d05-4db9-8881-81f8e5d1b2b9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_56c10e52-a2cb-4e05-a674-72de071640e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_71dfd521-0206-4dd7-9606-d845ee618b26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_98de07fa-d599-4373-8be9-41dad439b4ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_71dfd521-0206-4dd7-9606-d845ee618b26" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_98de07fa-d599-4373-8be9-41dad439b4ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_23d08c20-47d3-471f-88ff-eb5002607ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_71dfd521-0206-4dd7-9606-d845ee618b26" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_23d08c20-47d3-471f-88ff-eb5002607ab0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_5596a295-1968-429d-8a1c-37064f402f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_4499cedf-969f-4f3a-aedf-7d7b49befdb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_5596a295-1968-429d-8a1c-37064f402f0e" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_4499cedf-969f-4f3a-aedf-7d7b49befdb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_d80c26e7-d589-441e-a6f2-abb6e50adfaa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_5596a295-1968-429d-8a1c-37064f402f0e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_d80c26e7-d589-441e-a6f2-abb6e50adfaa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_03d53dfa-a513-4351-ac10-1f86e5f48c55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_d99c0867-5927-4a8b-8b9f-aaad24b37a21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_03d53dfa-a513-4351-ac10-1f86e5f48c55" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_d99c0867-5927-4a8b-8b9f-aaad24b37a21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_4db69035-8ab6-4b25-a4d2-661207529515" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_03d53dfa-a513-4351-ac10-1f86e5f48c55" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_4db69035-8ab6-4b25-a4d2-661207529515" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1e879f2f-0a79-4c36-b825-ce5b8e76d43c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_e3fd0070-939e-4b49-b890-4ac483b2eb6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1e879f2f-0a79-4c36-b825-ce5b8e76d43c" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_e3fd0070-939e-4b49-b890-4ac483b2eb6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_18afe88d-bea2-4026-8573-11630a7404c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1e879f2f-0a79-4c36-b825-ce5b8e76d43c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_18afe88d-bea2-4026-8573-11630a7404c8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/EARNINGSPERSHAREDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#EARNINGSPERSHAREDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/EARNINGSPERSHAREDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_8db4a16d-20c3-4936-a67e-53f9072f3be7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_11c4f7ad-7b48-4688-9476-42cdd28253c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_8db4a16d-20c3-4936-a67e-53f9072f3be7" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_11c4f7ad-7b48-4688-9476-42cdd28253c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_3a78f3bd-22d4-4700-a4b4-e43e3d7c95e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_8db4a16d-20c3-4936-a67e-53f9072f3be7" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_3a78f3bd-22d4-4700-a4b4-e43e3d7c95e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_155e0d32-4bd9-4419-aa00-53ef678a358c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_ae60dffc-0f2f-4f6e-8059-2d50280ce0ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_155e0d32-4bd9-4419-aa00-53ef678a358c" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_ae60dffc-0f2f-4f6e-8059-2d50280ce0ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_264f6616-a61a-46b1-9479-a0656bbea1e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_155e0d32-4bd9-4419-aa00-53ef678a358c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_264f6616-a61a-46b1-9479-a0656bbea1e2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSHedgingInstrumentsDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#DERIVATIVEFINANCIALINSTRUMENTSHedgingInstrumentsDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSHedgingInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue_2b85d15a-1ed4-4a6d-be1d-08e74759ae1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:to="loc_us-gaap_InterestRateFairValueHedgeLiabilityAtFairValue_2b85d15a-1ed4-4a6d-be1d-08e74759ae1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_f5b6f6aa-9cb0-40a9-9b64-ec480f0f0c7a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:to="loc_us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_f5b6f6aa-9cb0-40a9-9b64-ec480f0f0c7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_31c1eea3-b428-4aba-b72f-8be56e252fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_31c1eea3-b428-4aba-b72f-8be56e252fe6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_03b4a46d-299c-44f2-9a5b-8d48781e38b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:to="loc_us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_03b4a46d-299c-44f2-9a5b-8d48781e38b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_28375438-8a11-461d-ba32-d5e0c5be9459" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_66dcfbc2-d50f-4ad2-9fa1-c8e35b25a7e6" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_28375438-8a11-461d-ba32-d5e0c5be9459" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_232e47d2-f4ef-4584-8086-88f62ecf177f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateFairValueHedgeAssetAtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:to="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_232e47d2-f4ef-4584-8086-88f62ecf177f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_d2d769b1-895c-4ce1-adaa-9e04dadd9064" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:to="loc_us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_d2d769b1-895c-4ce1-adaa-9e04dadd9064" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_8e8bc997-093f-4e39-9877-6b0eae074c37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_8e8bc997-093f-4e39-9877-6b0eae074c37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_f6df0cb6-2211-44ea-9d3a-6ac821559e48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:to="loc_us-gaap_PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_f6df0cb6-2211-44ea-9d3a-6ac821559e48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_78707729-12a7-4596-9e58-0800466cce7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_217ba5a0-619e-42cf-9502-45388ba578c7" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_78707729-12a7-4596-9e58-0800466cce7e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSOffsettingAssetsDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#DERIVATIVEFINANCIALINSTRUMENTSOffsettingAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSOffsettingAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_327b89e3-7ba4-4ca7-859a-42b21a6a48ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset_5e8197f4-8669-412f-b819-49626954a067" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_327b89e3-7ba4-4ca7-859a-42b21a6a48ad" xlink:to="loc_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset_5e8197f4-8669-412f-b819-49626954a067" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_41e4f6e7-0775-4315-a6b5-ac8b4de36ddd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_327b89e3-7ba4-4ca7-859a-42b21a6a48ad" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_41e4f6e7-0775-4315-a6b5-ac8b4de36ddd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_1af1671a-96da-4360-9c39-a4639378eac7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_7d38fb9c-603c-4fdb-a39f-c5e1688f6fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_1af1671a-96da-4360-9c39-a4639378eac7" xlink:to="loc_us-gaap_DerivativeAssets_7d38fb9c-603c-4fdb-a39f-c5e1688f6fcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_18501d5d-ac9c-4c2a-82a4-ea441f7a2d13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralObligationToReturnCash"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_1af1671a-96da-4360-9c39-a4639378eac7" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_18501d5d-ac9c-4c2a-82a4-ea441f7a2d13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnSecurities_2940a7ab-ed53-4261-8051-b51feecf6f58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralObligationToReturnSecurities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_1af1671a-96da-4360-9c39-a4639378eac7" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnSecurities_2940a7ab-ed53-4261-8051-b51feecf6f58" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSOffsettingLiabilitiesDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#DERIVATIVEFINANCIALINSTRUMENTSOffsettingLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/DERIVATIVEFINANCIALINSTRUMENTSOffsettingLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_c6d15f1c-aa88-4153-bb91-2fe64f1a8abb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_59e1e983-3233-4231-92b7-0f933bec24df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralRightToReclaimCash"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_c6d15f1c-aa88-4153-bb91-2fe64f1a8abb" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_59e1e983-3233-4231-92b7-0f933bec24df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_4c8cddb0-7542-424e-a917-8aa38c51f22a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_c6d15f1c-aa88-4153-bb91-2fe64f1a8abb" xlink:to="loc_us-gaap_DerivativeLiabilities_4c8cddb0-7542-424e-a917-8aa38c51f22a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimSecurities_05f1cc84-2d24-46d5-9e99-5868d6bac91e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralRightToReclaimSecurities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_c6d15f1c-aa88-4153-bb91-2fe64f1a8abb" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimSecurities_05f1cc84-2d24-46d5-9e99-5868d6bac91e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_c51e61bd-aac0-4c7f-99c3-1a31ea5b87ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset_f6446a42-05d8-4bb1-8012-7eded8526bdd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_c51e61bd-aac0-4c7f-99c3-1a31ea5b87ca" xlink:to="loc_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset_f6446a42-05d8-4bb1-8012-7eded8526bdd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_bdc997e2-1cc6-4e95-b81d-f2bf07c0b8ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_c51e61bd-aac0-4c7f-99c3-1a31ea5b87ca" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_bdc997e2-1cc6-4e95-b81d-f2bf07c0b8ff" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/VARIABLEINTERESTENTITIESLowIncomeHousingTaxCreditPartnershipsDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#VARIABLEINTERESTENTITIESLowIncomeHousingTaxCreditPartnershipsDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/VARIABLEINTERESTENTITIESLowIncomeHousingTaxCreditPartnershipsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestments_2ec8ddc1-bb38-423d-9a51-ef06a6d4cebf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_GrossInvestmentInQualifiedAffordableHousingProjects_3381291f-d339-4112-9244-ba791a9dd6dd" xlink:href="hban-20250930.xsd#hban_GrossInvestmentInQualifiedAffordableHousingProjects"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestments_2ec8ddc1-bb38-423d-9a51-ef06a6d4cebf" xlink:to="loc_hban_GrossInvestmentInQualifiedAffordableHousingProjects_3381291f-d339-4112-9244-ba791a9dd6dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization_0dcfc53b-def2-4b01-8f01-026090d5c508" xlink:href="hban-20250930.xsd#hban_AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestments_2ec8ddc1-bb38-423d-9a51-ef06a6d4cebf" xlink:to="loc_hban_AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization_0dcfc53b-def2-4b01-8f01-026090d5c508" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.huntington.com/role/SEGMENTREPORTINGDetails" xlink:type="simple" xlink:href="hban-20250930.xsd#SEGMENTREPORTINGDetails"/>
  <link:calculationLink xlink:role="http://www.huntington.com/role/SEGMENTREPORTINGDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_aacfde9c-038b-4bec-beb9-a2399148fcf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_aacfde9c-038b-4bec-beb9-a2399148fcf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_e5281631-6539-4551-86b3-cbdcd2cda0d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_us-gaap_NoninterestExpense_e5281631-6539-4551-86b3-cbdcd2cda0d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_4f089aac-795e-46b0-832a-7e918c927aed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoninterestIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_us-gaap_NoninterestIncome_4f089aac-795e-46b0-832a-7e918c927aed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_6fae5d5c-e926-4f4e-8111-2a82c55550ab" xlink:href="hban-20250930.xsd#hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_hban_FinancingReceivableAndOffBalanceSheetCreditLossExpenseReversal_6fae5d5c-e926-4f4e-8111-2a82c55550ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7958535f-997e-4e0a-b727-0488d70cd399" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_7958535f-997e-4e0a-b727-0488d70cd399" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_455da873-e9a6-4c03-9782-910d3774ead1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_6661e7bf-d0fa-423f-b48b-69f352d1911f" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_455da873-e9a6-4c03-9782-910d3774ead1" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
