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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fd1e5-14c4-76bd-bbc7-88fabf9cba0a,g:8b799204-cf4e-4a0f-931e-1127b05dffe3-->
<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:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.lakeland.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="lkfn-20260930.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fd1e5-1bbf-779e-8a32-886e4e0e802f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-772a-a88b-6cc8ea9dc078" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fd1e5-1bbf-779e-8a32-886e4e0e802f" xlink:to="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-772a-a88b-6cc8ea9dc078" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019fd1e5-1bbf-7805-afe8-9168b7776675" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fd1e5-1bbf-779e-8a32-886e4e0e802f" xlink:to="loc_us-gaap_MinorityInterest_019fd1e5-1bbf-7805-afe8-9168b7776675" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_019fd1e5-1bbf-78ed-8a46-6266fd50cf58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Deposits"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestBearingDepositLiabilities_019fd1e5-1bbf-7db5-9f75-3a44be8f1182" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestBearingDepositLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_019fd1e5-1bbf-78ed-8a46-6266fd50cf58" xlink:to="loc_us-gaap_NoninterestBearingDepositLiabilities_019fd1e5-1bbf-7db5-9f75-3a44be8f1182" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestBearingDepositLiabilities_019fd1e5-1bbf-7870-b7c7-65d52e1fac74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestBearingDepositLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_019fd1e5-1bbf-78ed-8a46-6266fd50cf58" xlink:to="loc_us-gaap_InterestBearingDepositLiabilities_019fd1e5-1bbf-7870-b7c7-65d52e1fac74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-70b5-8127-ee52c2486e8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-70b5-8127-ee52c2486e8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_019fd1e5-1bbf-7773-b617-58848fb4b555" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_019fd1e5-1bbf-7773-b617-58848fb4b555" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestReceivable_019fd1e5-1bbf-736b-8e2a-2af197f77b98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestReceivable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_InterestReceivable_019fd1e5-1bbf-736b-8e2a-2af197f77b98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_019fd1e5-1bbf-7f59-92e5-2e2db8c1ece9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_OtherAssets_019fd1e5-1bbf-7f59-92e5-2e2db8c1ece9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019fd1e5-1bbf-7cb6-8cf3-b3cefd48ff9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019fd1e5-1bbf-7cb6-8cf3-b3cefd48ff9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-7b60-a88c-46991f2ded52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-7b60-a88c-46991f2ded52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock_019fd1e5-1bbf-7ea5-9fc4-ced26dba490a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock_019fd1e5-1bbf-7ea5-9fc4-ced26dba490a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd1e5-1bbf-76d5-b34e-832788d542f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd1e5-1bbf-76d5-b34e-832788d542f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019fd1e5-1bbf-7aaa-be3c-5b8d58ca69c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_Goodwill_019fd1e5-1bbf-7aaa-be3c-5b8d58ca69c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankOwnedLifeInsurance_019fd1e5-1bbf-739a-b8f4-ff208d1c401d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BankOwnedLifeInsurance"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_BankOwnedLifeInsurance_019fd1e5-1bbf-739a-b8f4-ff208d1c401d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-7381-92ee-0459c7b1cafe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019fd1e5-1bbf-77df-80c8-97d6db2468fd" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-7381-92ee-0459c7b1cafe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fd1e5-1bbf-79f0-a43e-83c548f7aee5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_019fd1e5-1bbf-7b78-a074-409336f2103e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd1e5-1bbf-79f0-a43e-83c548f7aee5" xlink:to="loc_us-gaap_OtherLiabilities_019fd1e5-1bbf-7b78-a074-409336f2103e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_019fd1e5-1bbf-7a62-afb7-5ca29080358f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd1e5-1bbf-79f0-a43e-83c548f7aee5" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_019fd1e5-1bbf-7a62-afb7-5ca29080358f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_019fd1e5-1bbf-7f89-9d8a-d26aa12c3c71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Deposits"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd1e5-1bbf-79f0-a43e-83c548f7aee5" xlink:to="loc_us-gaap_Deposits_019fd1e5-1bbf-7f89-9d8a-d26aa12c3c71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7b89-a7da-a36b36adf72c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019fd1e5-1bbf-79f0-a43e-83c548f7aee5" xlink:to="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7b89-a7da-a36b36adf72c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd1e5-1bbf-78b6-9686-2cfcb1fff354" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fd1e5-1bbf-7958-af28-c93f5d452789" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd1e5-1bbf-78b6-9686-2cfcb1fff354" xlink:to="loc_us-gaap_Liabilities_019fd1e5-1bbf-7958-af28-c93f5d452789" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fd1e5-1bbf-7205-a516-ff2c6b9916e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fd1e5-1bbf-78b6-9686-2cfcb1fff354" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fd1e5-1bbf-7205-a516-ff2c6b9916e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-7287-9759-43668b774e98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fd1e5-1bbf-7847-bedb-c645d3dcac80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-7287-9759-43668b774e98" xlink:to="loc_us-gaap_CommonStockValue_019fd1e5-1bbf-7847-bedb-c645d3dcac80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019fd1e5-1bbf-78d9-a990-f52249b837a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-7287-9759-43668b774e98" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019fd1e5-1bbf-78d9-a990-f52249b837a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd1e5-1bbf-7f70-b4e0-3009fac1985b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-7287-9759-43668b774e98" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fd1e5-1bbf-7f70-b4e0-3009fac1985b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd1e5-1bbf-73c7-bf02-6adceeff4957" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019fd1e5-1bbf-7287-9759-43668b774e98" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fd1e5-1bbf-73c7-bf02-6adceeff4957" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7e85-8adc-c27e6c048d97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm_019fd1e5-1bbf-732d-9bd8-5faf190501a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalHomeLoanBankAdvancesLongTerm"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7e85-8adc-c27e6c048d97" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm_019fd1e5-1bbf-732d-9bd8-5faf190501a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_019fd1e5-1bbf-7497-a990-57ddc9290ead" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7e85-8adc-c27e6c048d97" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_019fd1e5-1bbf-7497-a990-57ddc9290ead" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherBorrowings_019fd1e5-1bbf-74be-aeb2-d2419142e296" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherBorrowings"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_019fd1e5-1bbf-7e85-8adc-c27e6c048d97" xlink:to="loc_us-gaap_OtherBorrowings_019fd1e5-1bbf-74be-aeb2-d2419142e296" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd1e5-1bbf-7dea-8580-66bf4732c2de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndDueFromBanks_019fd1e5-1bbf-7a6a-966a-97a17616fa64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndDueFromBanks"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd1e5-1bbf-7dea-8580-66bf4732c2de" xlink:to="loc_us-gaap_CashAndDueFromBanks_019fd1e5-1bbf-7a6a-966a-97a17616fa64" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestBearingDepositsInBanks_019fd1e5-1bbf-7edd-9e63-714d826cf600" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestBearingDepositsInBanks"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fd1e5-1bbf-7dea-8580-66bf4732c2de" xlink:to="loc_us-gaap_InterestBearingDepositsInBanks_019fd1e5-1bbf-7edd-9e63-714d826cf600" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFINCOMEunaudited" xlink:type="simple" xlink:href="lkfn-20260930.xsd#CONSOLIDATEDSTATEMENTSOFINCOMEunaudited"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFINCOMEunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-7fe5-af81-0efe61b1ee6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7a0c-91df-eb546ef0b7eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-7fe5-af81-0efe61b1ee6d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7a0c-91df-eb546ef0b7eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1bbf-7093-8b0e-94e61c7804d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-7fe5-af81-0efe61b1ee6d" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1bbf-7093-8b0e-94e61c7804d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_019fd1e5-1bbf-7aa0-a5b6-bba49c6eb2d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDeposits_019fd1e5-1bbf-796c-8420-fdf88b1b939e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseDeposits"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_019fd1e5-1bbf-7aa0-a5b6-bba49c6eb2d5" xlink:to="loc_us-gaap_InterestExpenseDeposits_019fd1e5-1bbf-796c-8420-fdf88b1b939e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseShortTermBorrowings_019fd1e5-1bbf-79a7-ab2e-ad1746f6394b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseShortTermBorrowings"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpenseOperating_019fd1e5-1bbf-7aa0-a5b6-bba49c6eb2d5" xlink:to="loc_us-gaap_InterestExpenseShortTermBorrowings_019fd1e5-1bbf-79a7-ab2e-ad1746f6394b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance_019fd1e5-1bbf-7f8f-a190-e98efb143cab" xlink:href="lkfn-20260930.xsd#lkfn_RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_lkfn_RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance_019fd1e5-1bbf-7f8f-a190-e98efb143cab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentExpense_019fd1e5-1bbf-7834-9fd7-4e789c4bcc09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquipmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_EquipmentExpense_019fd1e5-1bbf-7834-9fd7-4e789c4bcc09" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_019fd1e5-1bbf-795f-81d6-d63de8813b76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfessionalFees"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_ProfessionalFees_019fd1e5-1bbf-795f-81d6-d63de8813b76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyNet_019fd1e5-1bbf-7238-88fa-dd10e07ef8fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OccupancyNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_OccupancyNet_019fd1e5-1bbf-7238-88fa-dd10e07ef8fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoninterestExpense_019fd1e5-1bbf-7c4b-abc9-c67395b1c382" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoninterestExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_OtherNoninterestExpense_019fd1e5-1bbf-7c4b-abc9-c67395b1c382" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_CorporateAndBusinessDevelopmentExpense_019fd1e5-1bbf-7e5b-a0b3-47dbca6c4a4d" xlink:href="lkfn-20260930.xsd#lkfn_CorporateAndBusinessDevelopmentExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_lkfn_CorporateAndBusinessDevelopmentExpense_019fd1e5-1bbf-7e5b-a0b3-47dbca6c4a4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_019fd1e5-1bbf-7ccb-a535-c4494039c6f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InformationTechnologyAndDataProcessing"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_019fd1e5-1bbf-7ccb-a535-c4494039c6f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_019fd1e5-1bbf-720e-9a95-c2c9d1d8c373" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-7036-b551-a21515c26d2d" xlink:to="loc_us-gaap_LaborAndRelatedExpense_019fd1e5-1bbf-720e-9a95-c2c9d1d8c373" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fd1e5-1bbf-70c0-ae6c-93ad1926ec46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78e3-957f-d51c4023e40f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_019fd1e5-1bbf-70c0-ae6c-93ad1926ec46" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78e3-957f-d51c4023e40f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_019fd1e5-1bbf-753b-a6fa-b2c8369fc8d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseNet_019fd1e5-1bbf-70c0-ae6c-93ad1926ec46" xlink:to="loc_us-gaap_InterestExpenseOperating_019fd1e5-1bbf-753b-a6fa-b2c8369fc8d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestIncome"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_BankOwnedLifeInsuranceIncomeLoss_019fd1e5-1bbf-7afb-9f47-8080ee2a6ed4" xlink:href="lkfn-20260930.xsd#lkfn_BankOwnedLifeInsuranceIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_BankOwnedLifeInsuranceIncomeLoss_019fd1e5-1bbf-7afb-9f47-8080ee2a6ed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FeesAndCommissionsMortgageBankingAndServicingNet_019fd1e5-1bbf-7d81-8fdd-effbd986be03" xlink:href="lkfn-20260930.xsd#lkfn_FeesAndCommissionsMortgageBankingAndServicingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_FeesAndCommissionsMortgageBankingAndServicingNet_019fd1e5-1bbf-7d81-8fdd-effbd986be03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_MerchantAndInterchangeFeeIncome_019fd1e5-1bbf-72ce-a93a-c326fc63d864" xlink:href="lkfn-20260930.xsd#lkfn_MerchantAndInterchangeFeeIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_MerchantAndInterchangeFeeIncome_019fd1e5-1bbf-72ce-a93a-c326fc63d864" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncomeOther_019fd1e5-1bbf-7f47-a187-7573cc1e6af2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestIncomeOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_us-gaap_NoninterestIncomeOther_019fd1e5-1bbf-7f47-a187-7573cc1e6af2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FeesAndCommissionsLoanAndServiceFees_019fd1e5-1bbf-7646-8a71-6164a0659493" xlink:href="lkfn-20260930.xsd#lkfn_FeesAndCommissionsLoanAndServiceFees"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_FeesAndCommissionsLoanAndServiceFees_019fd1e5-1bbf-7646-8a71-6164a0659493" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions_019fd1e5-1bbf-75e2-bc79-a0341d5bfe9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_us-gaap_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions_019fd1e5-1bbf-75e2-bc79-a0341d5bfe9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FeesAndCommissionsDepositorsAccounts_019fd1e5-1bbf-7a7f-a5fb-75157bcbb417" xlink:href="lkfn-20260930.xsd#lkfn_FeesAndCommissionsDepositorsAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_FeesAndCommissionsDepositorsAccounts_019fd1e5-1bbf-7a7f-a5fb-75157bcbb417" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BrokerageCommissionsRevenue_019fd1e5-1bbf-7e94-bdae-166b875036cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BrokerageCommissionsRevenue"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_us-gaap_BrokerageCommissionsRevenue_019fd1e5-1bbf-7e94-bdae-166b875036cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_InterestRateSwapFeeIncome_019fd1e5-1bbf-761d-8fcc-80c98f72227f" xlink:href="lkfn-20260930.xsd#lkfn_InterestRateSwapFeeIncome"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7f6b-a188-16fee0ec1235" xlink:to="loc_lkfn_InterestRateSwapFeeIncome_019fd1e5-1bbf-761d-8fcc-80c98f72227f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_019fd1e5-1bbf-787a-83b5-bcb463990694" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLossesExpensed_019fd1e5-1bbf-732d-a0bf-83d507b341ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForLoanLossesExpensed"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_019fd1e5-1bbf-787a-83b5-bcb463990694" xlink:to="loc_us-gaap_ProvisionForLoanLossesExpensed_019fd1e5-1bbf-732d-a0bf-83d507b341ee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_019fd1e5-1bbf-74d5-bf45-895fb68f6557" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_019fd1e5-1bbf-787a-83b5-bcb463990694" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_019fd1e5-1bbf-74d5-bf45-895fb68f6557" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_InterestAndFeeIncomeNontaxable_019fd1e5-1bbf-7c46-9916-9fde8229e617" xlink:href="lkfn-20260930.xsd#lkfn_InterestAndFeeIncomeNontaxable"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:to="loc_lkfn_InterestAndFeeIncomeNontaxable_019fd1e5-1bbf-7c46-9916-9fde8229e617" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInterestAndDividendIncome_019fd1e5-1bbf-71be-8405-b69de893a6a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherInterestAndDividendIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:to="loc_us-gaap_OtherInterestAndDividendIncome_019fd1e5-1bbf-71be-8405-b69de893a6a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_InterestAndFeeIncomeTaxable_019fd1e5-1bbf-79dc-8a95-8a34194a74e8" xlink:href="lkfn-20260930.xsd#lkfn_InterestAndFeeIncomeTaxable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:to="loc_lkfn_InterestAndFeeIncomeTaxable_019fd1e5-1bbf-79dc-8a95-8a34194a74e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_019fd1e5-1bbf-7ec9-941f-e7f858ae7445" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeSecuritiesTaxExempt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_019fd1e5-1bbf-7ec9-941f-e7f858ae7445" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxable_019fd1e5-1bbf-7b6a-a715-bf7a5d3f0efb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeSecuritiesTaxable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_019fd1e5-1bbf-78f6-a9c9-fbf3a651e10a" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxable_019fd1e5-1bbf-7b6a-a715-bf7a5d3f0efb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7c7b-96f9-00a3b0599325" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_019fd1e5-1bbf-7af0-8acc-9b24a470107f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7c7b-96f9-00a3b0599325" xlink:to="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_019fd1e5-1bbf-7af0-8acc-9b24a470107f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-746c-8689-7226596b41c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7c7b-96f9-00a3b0599325" xlink:to="loc_us-gaap_NoninterestExpense_019fd1e5-1bbf-746c-8689-7226596b41c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7130-8df9-13f0e8d54bd6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoninterestIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fd1e5-1bbf-7c7b-96f9-00a3b0599325" xlink:to="loc_us-gaap_NoninterestIncome_019fd1e5-1bbf-7130-8df9-13f0e8d54bd6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSunaudited" xlink:type="simple" xlink:href="lkfn-20260930.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSunaudited"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019fd1e5-1bbf-7d52-9192-16d2838ae4bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax_019fd1e5-1bbf-74a3-af78-00722195b7f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019fd1e5-1bbf-7d52-9192-16d2838ae4bf" xlink:to="loc_us-gaap_OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossAfterTax_019fd1e5-1bbf-74a3-af78-00722195b7f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_019fd1e5-1bbf-78f5-8b8c-80bbe892b12f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019fd1e5-1bbf-7d52-9192-16d2838ae4bf" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_019fd1e5-1bbf-78f5-8b8c-80bbe892b12f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd1e5-1bbf-78c4-a871-10034267367b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd1e5-1bbf-765d-98a9-2cf62b14c3e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd1e5-1bbf-78c4-a871-10034267367b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd1e5-1bbf-765d-98a9-2cf62b14c3e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-7b93-a1d0-9a3c3a86572f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fd1e5-1bbf-78c4-a871-10034267367b" xlink:to="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-7b93-a1d0-9a3c3a86572f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019fd1e5-1bbf-74ea-8730-a008ce405909" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019fd1e5-1bbf-720f-8394-56a38061706c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019fd1e5-1bbf-74ea-8730-a008ce405909" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019fd1e5-1bbf-720f-8394-56a38061706c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_019fd1e5-1bbf-742f-aaee-6b34d310d2e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019fd1e5-1bbf-74ea-8730-a008ce405909" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_019fd1e5-1bbf-742f-aaee-6b34d310d2e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019fd1e5-1bbf-763a-834d-67d4840ca99c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019fd1e5-1bbf-71fd-a7a6-6bdc01661b34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019fd1e5-1bbf-763a-834d-67d4840ca99c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019fd1e5-1bbf-71fd-a7a6-6bdc01661b34" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_019fd1e5-1bbf-7fdc-9e0d-57e26434ce20" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019fd1e5-1bbf-763a-834d-67d4840ca99c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_019fd1e5-1bbf-7fdc-9e0d-57e26434ce20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019fd1e5-1bbf-7083-a623-421bc9bbbe77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_019fd1e5-1bbf-7862-a66a-9e55779b5fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019fd1e5-1bbf-7083-a623-421bc9bbbe77" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_019fd1e5-1bbf-7862-a66a-9e55779b5fdc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd1e5-1bbf-7fce-beee-454969f18cc9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019fd1e5-1bbf-7f9c-bccd-461f61a4657a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd1e5-1bbf-7fce-beee-454969f18cc9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019fd1e5-1bbf-7f9c-bccd-461f61a4657a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019fd1e5-1bbf-764b-a8ab-1c2fe64ca873" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019fd1e5-1bbf-7fce-beee-454969f18cc9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019fd1e5-1bbf-764b-a8ab-1c2fe64ca873" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited" xlink:type="simple" xlink:href="lkfn-20260930.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019fd1e5-1bbf-7c0c-a998-5f49dbefb492" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019fd1e5-1bbf-7c0c-a998-5f49dbefb492" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromLoansAndLeases_019fd1e5-1bbf-7293-85e8-c3d06d28c707" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForProceedsFromLoansAndLeases"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_PaymentsForProceedsFromLoansAndLeases_019fd1e5-1bbf-7293-85e8-c3d06d28c707" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_019fd1e5-1bbf-78d7-9d79-a991feac0572" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_019fd1e5-1bbf-78d7-9d79-a991feac0572" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019fd1e5-1bbf-7e89-b7e7-b95d8ed5b6af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019fd1e5-1bbf-7e89-b7e7-b95d8ed5b6af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_019fd1e5-1bbf-7569-81cf-640df1743475" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireLifeInsurancePolicies"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_PaymentsToAcquireLifeInsurancePolicies_019fd1e5-1bbf-7569-81cf-640df1743475" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019fd1e5-1bbf-7745-8f3c-c39471cf6aa9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLifeInsurancePolicies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_ProceedsFromLifeInsurancePolicies_019fd1e5-1bbf-7745-8f3c-c39471cf6aa9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_019fd1e5-1bbf-744a-b5bc-89b8f212265d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-722e-b9b6-f863ee6f86e7" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_019fd1e5-1bbf-744a-b5bc-89b8f212265d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7011-a038-a8444fb37baf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-704a-8030-a9aa3a4eec1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7011-a038-a8444fb37baf" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-704a-8030-a9aa3a4eec1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-723c-8253-b85cdf28a37c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7011-a038-a8444fb37baf" xlink:to="loc_us-gaap_NetIncomeLoss_019fd1e5-1bbf-723c-8253-b85cdf28a37c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd1e5-1bbf-7ac3-aca5-53916fdf65fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019fd1e5-1bbf-7ac3-aca5-53916fdf65fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_019fd1e5-1bbf-7a8b-b8ce-282629caff49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeposits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits_019fd1e5-1bbf-7a8b-b8ce-282629caff49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfTreasuryStock_019fd1e5-1bbf-79c1-a875-0fc450d53a48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfTreasuryStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_ProceedsFromSaleOfTreasuryStock_019fd1e5-1bbf-79c1-a875-0fc450d53a48" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_ProceedsFromRepaymentOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_019fd1e5-1bbf-71bc-88c2-5defbd26cf7b" xlink:href="lkfn-20260930.xsd#lkfn_ProceedsFromRepaymentOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_lkfn_ProceedsFromRepaymentOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_019fd1e5-1bbf-71bc-88c2-5defbd26cf7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019fd1e5-1bbf-7971-9698-45bda74ba5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019fd1e5-1bbf-7971-9698-45bda74ba5ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_ProceedsFromLongTermFederalHomeLoanBankBorrowings_019fd1e5-1bbf-7da1-bfd6-895499b6d84d" xlink:href="lkfn-20260930.xsd#lkfn_ProceedsFromLongTermFederalHomeLoanBankBorrowings"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_lkfn_ProceedsFromLongTermFederalHomeLoanBankBorrowings_019fd1e5-1bbf-7da1-bfd6-895499b6d84d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_019fd1e5-1bbf-74da-be07-dfc4e8c72be8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock_019fd1e5-1bbf-74da-be07-dfc4e8c72be8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfOtherDebt_019fd1e5-1bbf-7ab3-b51a-950c198ef8df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRepaymentsOfOtherDebt"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfOtherDebt_019fd1e5-1bbf-7ab3-b51a-950c198ef8df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_ProceedsFromPaymentsOnShortTermFederalHomeLoanBankBorrowings_019fd1e5-1bbf-7f7b-b004-449e8fad477b" xlink:href="lkfn-20260930.xsd#lkfn_ProceedsFromPaymentsOnShortTermFederalHomeLoanBankBorrowings"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-7745-94b3-25edee07aa10" xlink:to="loc_lkfn_ProceedsFromPaymentsOnShortTermFederalHomeLoanBankBorrowings_019fd1e5-1bbf-7f7b-b004-449e8fad477b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd1e5-1bbf-7f4f-9444-3136b696b7a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7f4a-990a-3fe2fde7c6ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd1e5-1bbf-7f4f-9444-3136b696b7a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7f4a-990a-3fe2fde7c6ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-77a7-9a37-7b1cee6a1365" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd1e5-1bbf-7f4f-9444-3136b696b7a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fd1e5-1bbf-77a7-9a37-7b1cee6a1365" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-77aa-aad4-8683d2375b28" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fd1e5-1bbf-7f4f-9444-3136b696b7a4" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fd1e5-1bbf-77aa-aad4-8683d2375b28" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd1e5-1bbf-766d-829d-12d13a86054b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019fd1e5-1bbf-766d-829d-12d13a86054b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_019fd1e5-1bbf-756f-8fa4-8c2387fa1a3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_019fd1e5-1bbf-756f-8fa4-8c2387fa1a3a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd1e5-1bbf-7a7d-8d35-0b1900641828" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019fd1e5-1bbf-7a7d-8d35-0b1900641828" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfMortgageServicingRightsMSRs_019fd1e5-1bbf-731f-b760-d6f7b906d48f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfMortgageServicingRightsMSRs"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_AmortizationOfMortgageServicingRightsMSRs_019fd1e5-1bbf-731f-b760-d6f7b906d48f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_ExcessTaxBenefitFromShareBasedCompensationInOperatingActivities_019fd1e5-1bbf-7f90-a10c-f8cb3601d455" xlink:href="lkfn-20260930.xsd#lkfn_ExcessTaxBenefitFromShareBasedCompensationInOperatingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_lkfn_ExcessTaxBenefitFromShareBasedCompensationInOperatingActivities_019fd1e5-1bbf-7f90-a10c-f8cb3601d455" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019fd1e5-1bbf-77cb-be23-bdddc59835d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_ShareBasedCompensation_019fd1e5-1bbf-77cb-be23-bdddc59835d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_EarningsLossesOnLifeInsuranceOperatingActivitives_019fd1e5-1bbf-77f5-aa48-610137139803" xlink:href="lkfn-20260930.xsd#lkfn_EarningsLossesOnLifeInsuranceOperatingActivitives"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_lkfn_EarningsLossesOnLifeInsuranceOperatingActivitives_019fd1e5-1bbf-77f5-aa48-610137139803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_019fd1e5-1bbf-747e-98b1-b3693f39a261" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_019fd1e5-1bbf-747e-98b1-b3693f39a261" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019fd1e5-1bbf-7a14-846d-e1af7a638809" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_Depreciation_019fd1e5-1bbf-7a14-846d-e1af7a638809" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfLoansNet_019fd1e5-1bbf-7455-a289-e45029a7c7dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSalesOfLoansNet"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_GainLossOnSalesOfLoansNet_019fd1e5-1bbf-7455-a289-e45029a7c7dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale_019fd1e5-1bbf-715d-86a6-b515b2b7572a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale_019fd1e5-1bbf-715d-86a6-b515b2b7572a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_GainOnLifeInsurance_019fd1e5-1bbf-7a37-8c3d-5598e5464c70" xlink:href="lkfn-20260930.xsd#lkfn_GainOnLifeInsurance"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_lkfn_GainOnLifeInsurance_019fd1e5-1bbf-7a37-8c3d-5598e5464c70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale_019fd1e5-1bbf-7db8-8eff-11a28c2514f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForSale"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale_019fd1e5-1bbf-7db8-8eff-11a28c2514f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLossesExpensed_019fd1e5-1bbf-7393-a8cc-f39bf2151c5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForLoanLossesExpensed"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_019fd1e5-1bbf-7609-8006-98c0b8adec2d" xlink:to="loc_us-gaap_ProvisionForLoanLossesExpensed_019fd1e5-1bbf-7393-a8cc-f39bf2151c5e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesAvailableforSaleandRelatedGrossUnrealizedGainsandLossesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesAvailableforSaleandRelatedGrossUnrealizedGainsandLossesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesAvailableforSaleandRelatedGrossUnrealizedGainsandLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-71df-8f6c-a8ee4d5e9b19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019fd1e5-1bbf-7b6e-a551-366c0130fc67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-71df-8f6c-a8ee4d5e9b19" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019fd1e5-1bbf-7b6e-a551-366c0130fc67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bbf-7b78-be92-1894146fa58a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-71df-8f6c-a8ee4d5e9b19" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bbf-7b78-be92-1894146fa58a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019fd1e5-1bbf-7feb-ae5d-792f8da6e30e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-71df-8f6c-a8ee4d5e9b19" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019fd1e5-1bbf-7feb-ae5d-792f8da6e30e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-7bd8-bb79-39380b3a2026" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-71df-8f6c-a8ee4d5e9b19" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-7bd8-bb79-39380b3a2026" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesHeldtoMaturityandRelatedGrossGainsandUnrealizedGainsandLossesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesHeldtoMaturityandRelatedGrossGainsandUnrealizedGainsandLossesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofInformationRelatedtotheAmortizedCostFairValueandAllowanceforCreditLossesofSecuritiesHeldtoMaturityandRelatedGrossGainsandUnrealizedGainsandLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-78d7-8ba3-747ef7b5a593" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_019fd1e5-1bbf-70a4-9959-743a6d0c5d7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-78d7-8ba3-747ef7b5a593" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_019fd1e5-1bbf-70a4-9959-743a6d0c5d7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_019fd1e5-1bbf-7d03-a10b-a8e9342f2159" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-78d7-8ba3-747ef7b5a593" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesFairValue_019fd1e5-1bbf-7d03-a10b-a8e9342f2159" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bbf-781e-8645-45013182e9ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-78d7-8ba3-747ef7b5a593" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bbf-781e-8645-45013182e9ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_019fd1e5-1bbf-7bd2-9dd4-ccf9709f7e33" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1bbf-78d7-8ba3-747ef7b5a593" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_019fd1e5-1bbf-7bd2-9dd4-ccf9709f7e33" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofSecuritiesByMaturityDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofSecuritiesByMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofSecuritiesByMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_019fd1e5-1bbf-741d-a41b-5a1e1a1311d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure_019fd1e5-1bbf-7293-b046-33f7e84815af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_019fd1e5-1bbf-741d-a41b-5a1e1a1311d4" xlink:to="loc_us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure_019fd1e5-1bbf-7293-b046-33f7e84815af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-7a5f-98d4-5913e9fe2d18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_019fd1e5-1bbf-741d-a41b-5a1e1a1311d4" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-7a5f-98d4-5913e9fe2d18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7310-ada8-84edbd42ac7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne_019fd1e5-1bbf-7e05-a468-4d1b945c0a90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7310-ada8-84edbd42ac7c" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne_019fd1e5-1bbf-7e05-a468-4d1b945c0a90" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_019fd1e5-1bbf-73bb-9d62-7fe9a2b8599f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7310-ada8-84edbd42ac7c" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10_019fd1e5-1bbf-73bb-9d62-7fe9a2b8599f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive_019fd1e5-1bbf-76fb-92bb-e02113236b59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7310-ada8-84edbd42ac7c" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive_019fd1e5-1bbf-76fb-92bb-e02113236b59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_019fd1e5-1bbf-759e-8299-d7e144730898" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7310-ada8-84edbd42ac7c" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10_019fd1e5-1bbf-759e-8299-d7e144730898" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7e0f-830b-021d00d081f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_019fd1e5-1bbf-718b-b68a-cd37ad5566c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7e0f-830b-021d00d081f7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_019fd1e5-1bbf-718b-b68a-cd37ad5566c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_019fd1e5-1bbf-7133-a3c6-347ef322a240" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7e0f-830b-021d00d081f7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_019fd1e5-1bbf-7133-a3c6-347ef322a240" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis_019fd1e5-1bbf-76cb-8a2b-665de3e87226" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7e0f-830b-021d00d081f7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis_019fd1e5-1bbf-76cb-8a2b-665de3e87226" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_019fd1e5-1bbf-7162-8feb-68f6ab7c6790" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7e0f-830b-021d00d081f7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_019fd1e5-1bbf-7162-8feb-68f6ab7c6790" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-7188-bd83-1e4c5658235e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7157-9183-69573de5d965" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-7188-bd83-1e4c5658235e" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate_019fd1e5-1bbf-7157-9183-69573de5d965" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate_019fd1e5-1bbf-78b7-8acd-f2caa46f8e80" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-7188-bd83-1e4c5658235e" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate_019fd1e5-1bbf-78b7-8acd-f2caa46f8e80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-718d-a3b5-2697f6a6870e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_019fd1e5-1bbf-7bbf-b1cc-f5d855fac7f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-718d-a3b5-2697f6a6870e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_019fd1e5-1bbf-7bbf-b1cc-f5d855fac7f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_019fd1e5-1bbf-73e7-a6c4-ed841bdf1f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-718d-a3b5-2697f6a6870e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_019fd1e5-1bbf-73e7-a6c4-ed841bdf1f7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_019fd1e5-1bbf-7daf-a66c-373fcaa41ce2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-718d-a3b5-2697f6a6870e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_019fd1e5-1bbf-7daf-a66c-373fcaa41ce2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_019fd1e5-1bbf-786f-9ae2-47e48b4ae5ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-718d-a3b5-2697f6a6870e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_019fd1e5-1bbf-786f-9ae2-47e48b4ae5ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-715e-8587-5a3b935b83a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure_019fd1e5-1bbf-79a8-a927-03736c0c870f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-715e-8587-5a3b935b83a3" xlink:to="loc_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure_019fd1e5-1bbf-79a8-a927-03736c0c870f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-7a10-b3b4-cf69036124f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1bbf-715e-8587-5a3b935b83a3" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate_019fd1e5-1bbf-7a10-b3b4-cf69036124f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-76df-a8c8-e5591daa25ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_019fd1e5-1bbf-7603-9848-d026068eb5d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-76df-a8c8-e5591daa25ca" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_019fd1e5-1bbf-7603-9848-d026068eb5d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_019fd1e5-1bbf-7289-8178-9c8d343aa531" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-76df-a8c8-e5591daa25ca" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_019fd1e5-1bbf-7289-8178-9c8d343aa531" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_019fd1e5-1bbf-779d-90c9-1969b42b39fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-76df-a8c8-e5591daa25ca" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_019fd1e5-1bbf-779d-90c9-1969b42b39fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_019fd1e5-1bbf-7772-b2a4-7412ab1a76dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue_019fd1e5-1bbf-76df-a8c8-e5591daa25ca" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_019fd1e5-1bbf-7772-b2a4-7412ab1a76dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-702b-84ff-8f06c64a4f24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7c6e-9267-32a6eaaeb9e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-702b-84ff-8f06c64a4f24" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis_019fd1e5-1bbf-7c6e-9267-32a6eaaeb9e9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_019fd1e5-1bbf-7bc4-9368-1daae561c3fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bbf-702b-84ff-8f06c64a4f24" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_019fd1e5-1bbf-7bc4-9368-1daae561c3fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofUnrealizedLossAnalysisonAvailableforSaleSecuritiesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofUnrealizedLossAnalysisonAvailableforSaleSecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofUnrealizedLossAnalysisonAvailableforSaleSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-73de-aeba-1fadb42e9403" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019fd1e5-1bbf-7323-b905-3f8a0b11f2ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-73de-aeba-1fadb42e9403" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019fd1e5-1bbf-7323-b905-3f8a0b11f2ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019fd1e5-1bbf-745c-b0fc-af02e08b769b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-73de-aeba-1fadb42e9403" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019fd1e5-1bbf-745c-b0fc-af02e08b769b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_019fd1e5-1bbf-7bef-afd5-c13bc68c3644" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_019fd1e5-1bbf-71d7-b7db-2b8979363e51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_019fd1e5-1bbf-7bef-afd5-c13bc68c3644" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_019fd1e5-1bbf-71d7-b7db-2b8979363e51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_019fd1e5-1bbf-7e08-8d7b-2cb1e01962a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_019fd1e5-1bbf-7bef-afd5-c13bc68c3644" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_019fd1e5-1bbf-7e08-8d7b-2cb1e01962a9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofUnrealizedLossAnalysisonHeldtoMaturitySecuritiesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofUnrealizedLossAnalysisonHeldtoMaturitySecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofUnrealizedLossAnalysisonHeldtoMaturitySecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_019fd1e5-1bbf-7bda-90f7-06a60405d976" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_019fd1e5-1bbf-79e7-a891-51d8056b6b15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_019fd1e5-1bbf-7bda-90f7-06a60405d976" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_019fd1e5-1bbf-79e7-a891-51d8056b6b15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_019fd1e5-1bbf-79fb-864f-7f310bafdcdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_019fd1e5-1bbf-7bda-90f7-06a60405d976" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_019fd1e5-1bbf-79fb-864f-7f310bafdcdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-7496-95e7-d9939c148840" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019fd1e5-1bbf-7ed5-961c-4907a1769075" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-7496-95e7-d9939c148840" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019fd1e5-1bbf-7ed5-961c-4907a1769075" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019fd1e5-1bbf-71be-aa2b-5510c13c7db3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_019fd1e5-1bbf-7496-95e7-d9939c148840" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019fd1e5-1bbf-71be-aa2b-5510c13c7db3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/SECURITIESScheduleofNumberofSecuritieswithUnrealizedLossesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#SECURITIESScheduleofNumberofSecuritieswithUnrealizedLossesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/SECURITIESScheduleofNumberofSecuritieswithUnrealizedLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions_019fd1e5-1bbf-78fc-8053-237536691259" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months_019fd1e5-1bbf-772e-bb13-25d6a6f57ad1" xlink:href="lkfn-20260930.xsd#lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions_019fd1e5-1bbf-78fc-8053-237536691259" xlink:to="loc_lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months_019fd1e5-1bbf-772e-bb13-25d6a6f57ad1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore_019fd1e5-1bbf-7ac5-b7f3-1fb361ba22da" xlink:href="lkfn-20260930.xsd#lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions_019fd1e5-1bbf-78fc-8053-237536691259" xlink:to="loc_lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore_019fd1e5-1bbf-7ac5-b7f3-1fb361ba22da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_019fd1e5-1bbf-78bc-9eae-77019b1d2440" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months_019fd1e5-1bbf-7481-9ff0-96d06c38c0c8" xlink:href="lkfn-20260930.xsd#lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_019fd1e5-1bbf-78bc-9eae-77019b1d2440" xlink:to="loc_lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months_019fd1e5-1bbf-7481-9ff0-96d06c38c0c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore_019fd1e5-1bbf-7ebc-b5f1-2a3f43c33aa6" xlink:href="lkfn-20260930.xsd#lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_019fd1e5-1bbf-78bc-9eae-77019b1d2440" xlink:to="loc_lkfn_NumberOfAvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore_019fd1e5-1bbf-7ebc-b5f1-2a3f43c33aa6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/LOANSScheduleofTotalLoansOutstandingDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#LOANSScheduleofTotalLoansOutstandingDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/LOANSScheduleofTotalLoansOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bc0-769b-b114-b2ccc0c04d11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableDeferredIncome_019fd1e5-1bc0-71b3-af9d-aaaa5ac2bc0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableDeferredIncome"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bc0-769b-b114-b2ccc0c04d11" xlink:to="loc_us-gaap_FinancingReceivableDeferredIncome_019fd1e5-1bc0-71b3-af9d-aaaa5ac2bc0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bc0-72be-bbbd-be8cba4705db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bc0-769b-b114-b2ccc0c04d11" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_019fd1e5-1bc0-72be-bbbd-be8cba4705db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_019fd1e5-1bc0-7970-9ecf-0b9874ac10db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_019fd1e5-1bc0-769b-b114-b2ccc0c04d11" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_019fd1e5-1bc0-7970-9ecf-0b9874ac10db" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofActivityintheAllowanceforCreditLossesbyPortfolioSegmentDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofActivityintheAllowanceforCreditLossesbyPortfolioSegmentDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofActivityintheAllowanceforCreditLossesbyPortfolioSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery_019fd1e5-1c6c-766f-b5c9-794830af293a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery_019fd1e5-1c6c-707b-9b5a-710515905235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery_019fd1e5-1c6c-766f-b5c9-794830af293a" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery_019fd1e5-1c6c-707b-9b5a-710515905235" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_019fd1e5-1c6c-70e0-8992-6a7d522b9041" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery_019fd1e5-1c6c-766f-b5c9-794830af293a" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_019fd1e5-1c6c-70e0-8992-6a7d522b9041" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofRiskCategoryofLoansbyLoanSegmentandOriginationDateDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofRiskCategoryofLoansbyLoanSegmentandOriginationDateDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofRiskCategoryofLoansbyLoanSegmentandOriginationDateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1c6c-7fe0-80a9-d608000625ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7b7a-a5c6-4312fcb7d1c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1c6c-7fe0-80a9-d608000625ef" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7b7a-a5c6-4312fcb7d1c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_019fd1e5-1c6c-79d7-b2ae-3bfe39f35b8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolving"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_019fd1e5-1c6c-7fe0-80a9-d608000625ef" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolving_019fd1e5-1c6c-79d7-b2ae-3bfe39f35b8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-7ef7-8b1f-62bc63b3e20c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-7ef7-8b1f-62bc63b3e20c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-77b7-b422-a51e8881e0df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-77b7-b422-a51e8881e0df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_019fd1e5-1c6c-7671-af76-ba5c88d34c01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_019fd1e5-1c6c-7671-af76-ba5c88d34c01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_019fd1e5-1c6c-70f0-8673-7f206441c0e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_019fd1e5-1c6c-70f0-8673-7f206441c0e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-7a04-a621-906cb38c57f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-7a04-a621-906cb38c57f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-74bd-9e23-e2fe43e3e45d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan_019fd1e5-1c6c-7836-bc09-dcb364574b88" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_019fd1e5-1c6c-74bd-9e23-e2fe43e3e45d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_019fd1e5-1c6c-7d36-965c-7afafa867a4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_019fd1e5-1c6c-7f5c-b778-1d1244f0f9f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_019fd1e5-1c6c-7d36-965c-7afafa867a4a" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff_019fd1e5-1c6c-7f5c-b778-1d1244f0f9f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-70ad-b061-88bb0443eff6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_019fd1e5-1c6c-7d36-965c-7afafa867a4a" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-70ad-b061-88bb0443eff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7ed3-be88-8a2cb18d3b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7ed3-be88-8a2cb18d3b5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7126-8e5d-58667c71e8cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7126-8e5d-58667c71e8cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7a2f-8abe-b8343a1b19a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-7a2f-8abe-b8343a1b19a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-75eb-87d7-9a3bba967ead" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-75eb-87d7-9a3bba967ead" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_019fd1e5-1c6c-723e-ba57-807726bbe4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_019fd1e5-1c6c-723e-ba57-807726bbe4ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-726c-ad55-06fd719bd9c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff_019fd1e5-1c6c-7c09-ac15-46887aef158f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_019fd1e5-1c6c-726c-ad55-06fd719bd9c4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofAmortizedCostBasisofCollateralDependentLoansDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofAmortizedCostBasisofCollateralDependentLoansDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/ALLOWANCEFORCREDITLOSSESANDCREDITQUALITYScheduleofAmortizedCostBasisofCollateralDependentLoansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost_019fd1e5-1c6c-76a4-99a4-4f60d8294b5d" xlink:href="lkfn-20260930.xsd#lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FinancingReceivableAmortizedCostOther_019fd1e5-1c6c-7c40-8b8e-a020da7152cc" xlink:href="lkfn-20260930.xsd#lkfn_FinancingReceivableAmortizedCostOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost_019fd1e5-1c6c-76a4-99a4-4f60d8294b5d" xlink:to="loc_lkfn_FinancingReceivableAmortizedCostOther_019fd1e5-1c6c-7c40-8b8e-a020da7152cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FinancingReceivableRealEstateAmortizedCost_019fd1e5-1c6c-7ef5-8561-456808484eeb" xlink:href="lkfn-20260930.xsd#lkfn_FinancingReceivableRealEstateAmortizedCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost_019fd1e5-1c6c-76a4-99a4-4f60d8294b5d" xlink:to="loc_lkfn_FinancingReceivableRealEstateAmortizedCost_019fd1e5-1c6c-7ef5-8561-456808484eeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_FinancingReceivableGeneralBusinessAssetsAmortizedCost_019fd1e5-1c6c-7de4-a137-aa38ff6b0176" xlink:href="lkfn-20260930.xsd#lkfn_FinancingReceivableGeneralBusinessAssetsAmortizedCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost_019fd1e5-1c6c-76a4-99a4-4f60d8294b5d" xlink:to="loc_lkfn_FinancingReceivableGeneralBusinessAssetsAmortizedCost_019fd1e5-1c6c-7de4-a137-aa38ff6b0176" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/BORROWINGSScheduleofAdvancesFromtheFederalHomeLoanBankofIndianapolisFHLBIDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#BORROWINGSScheduleofAdvancesFromtheFederalHomeLoanBankofIndianapolisFHLBIDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/BORROWINGSScheduleofAdvancesFromtheFederalHomeLoanBankofIndianapolisFHLBIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvancesFromFederalHomeLoanBanks_019fd1e5-1c6c-7457-947b-533009e7af1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdvancesFromFederalHomeLoanBanks"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_019fd1e5-1c6c-7676-9a31-64b13828fa0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdvancesFromFederalHomeLoanBanks_019fd1e5-1c6c-7457-947b-533009e7af1f" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_019fd1e5-1c6c-7676-9a31-64b13828fa0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm_019fd1e5-1c6c-7d7c-b38b-b3c0a2d54a39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalHomeLoanBankAdvancesLongTerm"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AdvancesFromFederalHomeLoanBanks_019fd1e5-1c6c-7457-947b-533009e7af1f" xlink:to="loc_us-gaap_FederalHomeLoanBankAdvancesLongTerm_019fd1e5-1c6c-7d7c-b38b-b3c0a2d54a39" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/FAIRVALUEDISCLOSURESScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#FAIRVALUEDISCLOSURESScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/FAIRVALUEDISCLOSURESScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7f48-829e-48068a69fe48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019fd1e5-1c6c-7151-aa6c-339d6ff571d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7f48-829e-48068a69fe48" xlink:to="loc_us-gaap_DerivativeAssets_019fd1e5-1c6c-7151-aa6c-339d6ff571d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-7fa4-9662-ed8ab5509d07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7f48-829e-48068a69fe48" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-7fa4-9662-ed8ab5509d07" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_019fd1e5-1c6c-74d5-96ac-5b0e42fa97f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7f48-829e-48068a69fe48" xlink:to="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_019fd1e5-1c6c-74d5-96ac-5b0e42fa97f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019fd1e5-1c6c-7bf1-a1d9-0cc4858e1073" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019fd1e5-1c6c-71af-a9b1-ba71be03c122" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019fd1e5-1c6c-7bf1-a1d9-0cc4858e1073" xlink:to="loc_us-gaap_DerivativeLiabilities_019fd1e5-1c6c-71af-a9b1-ba71be03c122" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_019fd1e5-1c6c-7ff5-be50-3bfe69a9d719" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateDerivativeLiabilitiesAtFairValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019fd1e5-1c6c-7bf1-a1d9-0cc4858e1073" xlink:to="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_019fd1e5-1c6c-7ff5-be50-3bfe69a9d719" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-71ae-9dea-7be1121ad5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_UsGovernmentAgenciesSecuritiesFairValueDisclosure_019fd1e5-1c6c-78ce-81a6-8d4115088950" xlink:href="lkfn-20260930.xsd#lkfn_UsGovernmentAgenciesSecuritiesFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-71ae-9dea-7be1121ad5fa" xlink:to="loc_lkfn_UsGovernmentAgenciesSecuritiesFairValueDisclosure_019fd1e5-1c6c-78ce-81a6-8d4115088950" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_StateAndMunicipalSecuritiesFairValueDisclosure_019fd1e5-1c6c-7dfa-9fc7-5cb2e5dc9031" xlink:href="lkfn-20260930.xsd#lkfn_StateAndMunicipalSecuritiesFairValueDisclosure"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-71ae-9dea-7be1121ad5fa" xlink:to="loc_lkfn_StateAndMunicipalSecuritiesFairValueDisclosure_019fd1e5-1c6c-7dfa-9fc7-5cb2e5dc9031" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_MortgageBackedSecuritiesResidentialAvailableForSaleFairValueDisclosure_019fd1e5-1c6c-77f0-8a35-234f3537837b" xlink:href="lkfn-20260930.xsd#lkfn_MortgageBackedSecuritiesResidentialAvailableForSaleFairValueDisclosure"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-71ae-9dea-7be1121ad5fa" xlink:to="loc_lkfn_MortgageBackedSecuritiesResidentialAvailableForSaleFairValueDisclosure_019fd1e5-1c6c-77f0-8a35-234f3537837b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_UsTreasurySecuritiesFairValueDisclosure_019fd1e5-1c6c-7fad-b2b1-2d15f244cea3" xlink:href="lkfn-20260930.xsd#lkfn_UsTreasurySecuritiesFairValueDisclosure"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest_019fd1e5-1c6c-71ae-9dea-7be1121ad5fa" xlink:to="loc_lkfn_UsTreasurySecuritiesFairValueDisclosure_019fd1e5-1c6c-7fad-b2b1-2d15f244cea3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/FAIRVALUEDISCLOSURESScheduleofAssetsMeasuredatFairValueonaNonRecurringBasisDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#FAIRVALUEDISCLOSURESScheduleofAssetsMeasuredatFairValueonaNonRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/FAIRVALUEDISCLOSURESScheduleofAssetsMeasuredatFairValueonaNonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7c1e-82c2-968c8e909727" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_ImpairedLoansFairValueDisclosure_019fd1e5-1c6c-78c2-b568-db9248fea358" xlink:href="lkfn-20260930.xsd#lkfn_ImpairedLoansFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019fd1e5-1c6c-7c1e-82c2-968c8e909727" xlink:to="loc_lkfn_ImpairedLoansFairValueDisclosure_019fd1e5-1c6c-78c2-b568-db9248fea358" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/OFFSETTINGASSETSANDLIABILITIESDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#OFFSETTINGASSETSANDLIABILITIESDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/OFFSETTINGASSETSANDLIABILITIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-735e-afa0-1927ba7bb5bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7cd9-9c4f-0bb040e108f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-735e-afa0-1927ba7bb5bc" xlink:to="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7cd9-9c4f-0bb040e108f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_019fd1e5-1c6c-7477-af17-dfecf0bdb25a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeCollateralObligationToReturnCash"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-735e-afa0-1927ba7bb5bc" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_019fd1e5-1c6c-7477-af17-dfecf0bdb25a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_019fd1e5-1c6c-7cff-92bd-4bb8316f4655" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-735e-afa0-1927ba7bb5bc" xlink:to="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_019fd1e5-1c6c-7cff-92bd-4bb8316f4655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-712b-8fa7-933831e324d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetFairValueGrossLiability_019fd1e5-1c6c-7d52-89ed-fd796282d235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetFairValueGrossLiability"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-712b-8fa7-933831e324d0" xlink:to="loc_us-gaap_DerivativeAssetFairValueGrossLiability_019fd1e5-1c6c-7d52-89ed-fd796282d235" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019fd1e5-1c6c-7700-964d-2d2094e0c660" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-712b-8fa7-933831e324d0" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_019fd1e5-1c6c-7700-964d-2d2094e0c660" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7204-af0d-a5619db1a9bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset_019fd1e5-1c6c-738b-9e86-d983c8ee80ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7204-af0d-a5619db1a9bf" xlink:to="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset_019fd1e5-1c6c-738b-9e86-d983c8ee80ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019fd1e5-1c6c-7bf7-bb8a-3889cd44b2d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7204-af0d-a5619db1a9bf" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_019fd1e5-1c6c-7bf7-bb8a-3889cd44b2d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-7d0f-b675-06ff0835ee8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7528-a54f-45d281d49ed1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-7d0f-b675-06ff0835ee8a" xlink:to="loc_us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement_019fd1e5-1c6c-7528-a54f-45d281d49ed1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_019fd1e5-1c6c-7b68-9cdd-09d744e5fa0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-7d0f-b675-06ff0835ee8a" xlink:to="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_019fd1e5-1c6c-7b68-9cdd-09d744e5fa0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_019fd1e5-1c6c-7425-bdd7-7118286e63fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeCollateralRightToReclaimCash"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueAfterOffsetAndDeductionSubjectToMasterNettingArrangement_019fd1e5-1c6c-7d0f-b675-06ff0835ee8a" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_019fd1e5-1c6c-7425-bdd7-7118286e63fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019fd1e5-1c6c-77ea-baa9-8515c76d021b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019fd1e5-1c6c-77ea-baa9-8515c76d021b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019fd1e5-1c6c-7099-b789-98e75baf473a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019fd1e5-1c6c-7099-b789-98e75baf473a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019fd1e5-1c6c-773d-8239-95302afd6697" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019fd1e5-1c6c-773d-8239-95302afd6697" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_019fd1e5-1c6c-797f-8970-cd133a1ff75b" xlink:href="lkfn-20260930.xsd#lkfn_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_lkfn_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_019fd1e5-1c6c-797f-8970-cd133a1ff75b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019fd1e5-1c6c-7cac-8ecb-d933f7eef932" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019fd1e5-1c6c-7cac-8ecb-d933f7eef932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019fd1e5-1c6c-7eff-bc4b-115b341808a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-70e0-a117-9ca6f580d475" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019fd1e5-1c6c-7eff-bc4b-115b341808a2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="lkfn-20260930.xsd#LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/LEASESScheduleofMaturityAnalysisoftheOperatingLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-7169-98a2-3b75fa239646" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019fd1e5-1c6c-799a-a089-c718e87da811" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-7169-98a2-3b75fa239646" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019fd1e5-1c6c-799a-a089-c718e87da811" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019fd1e5-1c6c-7234-a444-f27f3b73152f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019fd1e5-1c6c-7169-98a2-3b75fa239646" xlink:to="loc_us-gaap_OperatingLeaseLiability_019fd1e5-1c6c-7234-a444-f27f3b73152f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/LEASESScheduleofLeaseCostDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#LEASESScheduleofLeaseCostDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/LEASESScheduleofLeaseCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_019fd1e5-1c6c-729f-8fef-d54b9532b0e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019fd1e5-1c6c-7e4e-a1a3-f67ccf544af2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fd1e5-1c6c-729f-8fef-d54b9532b0e4" xlink:to="loc_us-gaap_OperatingLeaseCost_019fd1e5-1c6c-7e4e-a1a3-f67ccf544af2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_019fd1e5-1c6c-793e-ae13-6993b82d1945" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019fd1e5-1c6c-729f-8fef-d54b9532b0e4" xlink:to="loc_us-gaap_ShortTermLeaseCost_019fd1e5-1c6c-793e-ae13-6993b82d1945" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSScheduleofChangesinEachClassificationofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#ACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSScheduleofChangesinEachClassificationofAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/ACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSScheduleofChangesinEachClassificationofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fd1e5-1c6c-7c62-bfec-6c17c6807763" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019fd1e5-1c6c-7435-b265-64950b72f244" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fd1e5-1c6c-7c62-bfec-6c17c6807763" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019fd1e5-1c6c-7435-b265-64950b72f244" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019fd1e5-1c6c-7fff-8c7e-47abe070cc56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fd1e5-1c6c-7c62-bfec-6c17c6807763" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019fd1e5-1c6c-7fff-8c7e-47abe070cc56" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/EARNINGSPERSHAREDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#EARNINGSPERSHAREDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/EARNINGSPERSHAREDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fd1e5-1c6c-7305-a362-312db73f20ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fd1e5-1c6c-7dc1-ba5d-64ed080502f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fd1e5-1c6c-7305-a362-312db73f20ee" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fd1e5-1c6c-7dc1-ba5d-64ed080502f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fd1e5-1c6c-713d-966e-0d8243a80563" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fd1e5-1c6c-7305-a362-312db73f20ee" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_019fd1e5-1c6c-713d-966e-0d8243a80563" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/INCOMETAXESScheduleofIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#INCOMETAXESScheduleofIncomeTaxExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/INCOMETAXESScheduleofIncomeTaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-77e9-b795-a9e2239cb428" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_019fd1e5-1c6c-7234-9326-38cc4a308134" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-77e9-b795-a9e2239cb428" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_019fd1e5-1c6c-7234-9326-38cc4a308134" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_019fd1e5-1c6c-708d-8308-aa965c74af89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-77e9-b795-a9e2239cb428" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_019fd1e5-1c6c-708d-8308-aa965c74af89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_019fd1e5-1c6c-705c-baeb-123a936ebded" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-77e9-b795-a9e2239cb428" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_019fd1e5-1c6c-705c-baeb-123a936ebded" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_019fd1e5-1c6c-79d0-a089-71fecd4ab5cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-77e9-b795-a9e2239cb428" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_019fd1e5-1c6c-79d0-a089-71fecd4ab5cb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/INCOMETAXESScheduleofDifferencesBetweenFinancialStatementTaxExpenseandAmountsComputedbyApplyingStatutoryFederalIncomeTaxRateDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#INCOMETAXESScheduleofDifferencesBetweenFinancialStatementTaxExpenseandAmountsComputedbyApplyingStatutoryFederalIncomeTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/INCOMETAXESScheduleofDifferencesBetweenFinancialStatementTaxExpenseandAmountsComputedbyApplyingStatutoryFederalIncomeTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019fd1e5-1c6c-70c9-bbfb-133028f6d040" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019fd1e5-1c6c-70c9-bbfb-133028f6d040" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019fd1e5-1c6c-7927-8120-64f0ca934e4f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019fd1e5-1c6c-7927-8120-64f0ca934e4f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_019fd1e5-1c6c-75c1-8cde-16b13bcbe098" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome_019fd1e5-1c6c-75c1-8cde-16b13bcbe098" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019fd1e5-1c6c-784b-a386-4cbd1a2c0f2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019fd1e5-1c6c-784b-a386-4cbd1a2c0f2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_019fd1e5-1c6c-731c-9151-64dd0447c942" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsOther_019fd1e5-1c6c-731c-9151-64dd0447c942" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationPercent_019fd1e5-1c6c-787a-9656-3c6a9c0e73f8" xlink:href="lkfn-20260930.xsd#lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationPercent"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationPercent_019fd1e5-1c6c-787a-9656-3c6a9c0e73f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019fd1e5-1c6c-76c1-a5ff-29a6c0f664cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019fd1e5-1c6c-76c1-a5ff-29a6c0f664cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019fd1e5-1c6c-739a-8865-70423efc95b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019fd1e5-1c6c-739a-8865-70423efc95b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesPercent_019fd1e5-1c6c-7da5-af65-06fcbb51297d" xlink:href="lkfn-20260930.xsd#lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesPercent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fd1e5-1c6c-750f-a4f1-d3f586107b45" xlink:to="loc_lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesPercent_019fd1e5-1c6c-7da5-af65-06fcbb51297d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019fd1e5-1c6c-73cd-91e6-2393efc93161" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019fd1e5-1c6c-73cd-91e6-2393efc93161" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_019fd1e5-1c6c-7e39-83a5-5ed146bda5df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxExemptIncome_019fd1e5-1c6c-7e39-83a5-5ed146bda5df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019fd1e5-1c6c-7cfa-8db0-5c227a33c775" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019fd1e5-1c6c-7cfa-8db0-5c227a33c775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019fd1e5-1c6c-78a4-986f-0a27636c95da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019fd1e5-1c6c-78a4-986f-0a27636c95da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationDeductionsOther_019fd1e5-1c6c-74e5-a404-6bdada5b0971" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationDeductionsOther"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationDeductionsOther_019fd1e5-1c6c-74e5-a404-6bdada5b0971" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationAmount_019fd1e5-1c6c-7061-8f54-cba7de90ae86" xlink:href="lkfn-20260930.xsd#lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationAmount"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_lkfn_EffectiveIncomeTaxRateReconciliationDeductionLongTermIncentivePlanAndDeferredCompensationAmount_019fd1e5-1c6c-7061-8f54-cba7de90ae86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019fd1e5-1c6c-7144-9c7e-e219ccd6b363" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019fd1e5-1c6c-7144-9c7e-e219ccd6b363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019fd1e5-1c6c-746d-a8e8-76fcc3d2997c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019fd1e5-1c6c-746d-a8e8-76fcc3d2997c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesAmount_019fd1e5-1c6c-7f31-8547-871f058dcb80" xlink:href="lkfn-20260930.xsd#lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesAmount"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019fd1e5-1c6c-7866-abd9-dc420487c62a" xlink:to="loc_lkfn_EffectiveIncomeTaxRateReconciliationTaxCreditsNetOfAmortizationAndLossesAmount_019fd1e5-1c6c-7f31-8547-871f058dcb80" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lakeland.com/role/INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="lkfn-20260930.xsd#INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lakeland.com/role/INCOMETAXESScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019fd1e5-1c6c-7f40-9a42-57132b65608c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-7700-bcfe-24b381ffdf2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019fd1e5-1c6c-7f40-9a42-57132b65608c" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-7700-bcfe-24b381ffdf2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7fd4-9f22-ce6a45097da6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019fd1e5-1c6c-7f40-9a42-57132b65608c" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7fd4-9f22-ce6a45097da6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_019fd1e5-1c6c-7fb5-9e62-c15ce9dbe84f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_019fd1e5-1c6c-7fb5-9e62-c15ce9dbe84f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesMortgageServicingRights_019fd1e5-1c6c-7563-ba17-33942979efbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesMortgageServicingRights"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesMortgageServicingRights_019fd1e5-1c6c-7563-ba17-33942979efbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxLiabilitiesStateTaxes_019fd1e5-1c6c-76bf-80a2-1d311c542376" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxLiabilitiesStateTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_lkfn_DeferredTaxLiabilitiesStateTaxes_019fd1e5-1c6c-76bf-80a2-1d311c542376" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_019fd1e5-1c6c-7547-8848-944c2d5d6e35" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_019fd1e5-1c6c-7547-8848-944c2d5d6e35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxLiabilitiesSpillOverDividend_019fd1e5-1c6c-786a-953b-189f0886272e" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxLiabilitiesSpillOverDividend"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_lkfn_DeferredTaxLiabilitiesSpillOverDividend_019fd1e5-1c6c-786a-953b-189f0886272e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_019fd1e5-1c6c-7d8e-8cb9-3d6dc0ed895b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_019fd1e5-1c6c-7d8e-8cb9-3d6dc0ed895b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxLiabilitiesLeaseRightOfUseAssets_019fd1e5-1c6c-75d2-a2d5-552673f1c865" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxLiabilitiesLeaseRightOfUseAssets"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_lkfn_DeferredTaxLiabilitiesLeaseRightOfUseAssets_019fd1e5-1c6c-75d2-a2d5-552673f1c865" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_019fd1e5-1c6c-78b4-8192-96bcca7e6313" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_019fd1e5-1c6c-7f53-9843-12bf90cc9503" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_019fd1e5-1c6c-78b4-8192-96bcca7e6313" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxAssetsDeferredLoanFees_019fd1e5-1c6c-7430-a7bd-65f840a0dbff" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxAssetsDeferredLoanFees"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_lkfn_DeferredTaxAssetsDeferredLoanFees_019fd1e5-1c6c-7430-a7bd-65f840a0dbff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxAssetsLeaseLiability_019fd1e5-1c6c-77db-b356-9eb00950cef4" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxAssetsLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_lkfn_DeferredTaxAssetsLeaseLiability_019fd1e5-1c6c-77db-b356-9eb00950cef4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxAssetsLongTermIncentivePlan_019fd1e5-1c6c-7a34-9479-fa8bca3600de" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxAssetsLongTermIncentivePlan"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_lkfn_DeferredTaxAssetsLongTermIncentivePlan_019fd1e5-1c6c-7a34-9479-fa8bca3600de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_019fd1e5-1c6c-7323-ab49-3070893e0572" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_019fd1e5-1c6c-7323-ab49-3070893e0572" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxAssetsBadDebts_019fd1e5-1c6c-7d29-a118-98793d5a32ea" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxAssetsBadDebts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_lkfn_DeferredTaxAssetsBadDebts_019fd1e5-1c6c-7d29-a118-98793d5a32ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lkfn_DeferredTaxAssetsNonaccrualLoanInterest_019fd1e5-1c6c-7dd9-92c0-a14a5c2445fb" xlink:href="lkfn-20260930.xsd#lkfn_DeferredTaxAssetsNonaccrualLoanInterest"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_lkfn_DeferredTaxAssetsNonaccrualLoanInterest_019fd1e5-1c6c-7dd9-92c0-a14a5c2445fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_019fd1e5-1c6c-77fe-a618-c1ceff676cee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_019fd1e5-1c6c-77fe-a618-c1ceff676cee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_019fd1e5-1c6c-7a5a-9157-a6f0aafe4e28" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_019fd1e5-1c6c-793f-8cde-5d771e61254b" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_019fd1e5-1c6c-7a5a-9157-a6f0aafe4e28" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
