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  <xs:element id="lkfn_HeldToMaturitySecuritiesWithMaturitiesAmortizedCost" abstract="false" name="HeldToMaturitySecuritiesWithMaturitiesAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_ProceedsFromRepaymentOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" abstract="false" name="ProceedsFromRepaymentOfIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_CertificatesOfDepositFairValue" abstract="false" name="CertificatesOfDepositFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityUnrealizedLossPositionFairValueTableTextBlock" abstract="false" name="DebtSecuritiesHeldToMaturityUnrealizedLossPositionFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lkfn_EstimatedFairValueAndRelatedCarryingValueOfFinancialInstrumentsAbstract" abstract="true" name="EstimatedFairValueAndRelatedCarryingValueOfFinancialInstrumentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_FinancingReceivableModifications" abstract="false" name="FinancingReceivableModifications" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PercentageOfDiscountFromAppraisedValue" abstract="false" name="PercentageOfDiscountFromAppraisedValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lkfn_AgriBusinessAndAgriculturalLoansMember" abstract="true" name="AgriBusinessAndAgriculturalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_MortgageBankingDerivativeAssetsFairValueDisclosure" abstract="false" name="MortgageBankingDerivativeAssetsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_InterestAndFeeIncomeTaxable" abstract="false" name="InterestAndFeeIncomeTaxable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OtherCommercialMember" abstract="true" name="OtherCommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_FinancingReceivableRealEstateAmortizedCost" abstract="false" name="FinancingReceivableRealEstateAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableCollateralDependentBorrowingsAmortizedCost" abstract="false" name="FinancingReceivableCollateralDependentBorrowingsAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostNonaccrualWithNoAllowanceOfCreditLoss" abstract="false" name="FinancingReceivableAmortizedCostNonaccrualWithNoAllowanceOfCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OwnerOccupiedLoansMember" abstract="true" name="OwnerOccupiedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityAbstract" abstract="true" name="DebtSecuritiesHeldToMaturityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_InventoryFinishedGoodsMember" abstract="true" name="InventoryFinishedGoodsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_CorporateAndBusinessDevelopmentExpense" abstract="false" name="CorporateAndBusinessDevelopmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_InterestRateSwapFeeIncome" abstract="false" name="InterestRateSwapFeeIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance" abstract="false" name="RegulatoryFeesAndFederalDepositInsuranceCorporationInsurance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OffsettingAssetsAndLiabilityTableTextBlock" abstract="false" name="OffsettingAssetsAndLiabilityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lkfn_DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLoss" abstract="false" name="DebtSecuritiesHeldToMaturityTransferredFromAvailableForSaleUnrealizedLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_SecuritiesPurchaseNotSettled" abstract="false" name="SecuritiesPurchaseNotSettled" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_AgribusinessAndAgriculturalMember" abstract="true" name="AgribusinessAndAgriculturalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_AmountOfVariance" abstract="false" name="AmountOfVariance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableGeneralBusinessAssetsAmortizedCost" abstract="false" name="FinancingReceivableGeneralBusinessAssetsAmortizedCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore" abstract="false" name="NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions12MonthsOrMore" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostNonaccrual" abstract="false" name="FinancingReceivableAmortizedCostNonaccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_LoanAmountOfCreditQualityAnalysis" abstract="false" name="LoanAmountOfCreditQualityAnalysis" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FeesAndCommissionsCreditCard" abstract="false" name="FeesAndCommissionsCreditCard" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OffsettingDerivativeAssetAbstract" abstract="true" name="OffsettingDerivativeAssetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_CashPaidDuringPeriodForAbstract" abstract="true" name="CashPaidDuringPeriodForAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_AccruedInterestReceivableFairValue" abstract="false" name="AccruedInterestReceivableFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_PayCheckProtectionProgramMember" abstract="true" name="PayCheckProtectionProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_OffsettingAssetsAndLiabilitiesAbstract" abstract="true" name="OffsettingAssetsAndLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lkfn_LoansSecuredByFarmlandMember" abstract="true" name="LoansSecuredByFarmlandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_NonWorkingCapitalLoansMember" abstract="true" name="NonWorkingCapitalLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months" abstract="false" name="NumberOfHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThan12Months" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lkfn_CollateralDependentLoansMember" abstract="true" name="CollateralDependentLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_UnallocatedMember" abstract="true" name="UnallocatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_OtherCommercialLoansMember" abstract="true" name="OtherCommercialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_FinancingReceivableAmortizedCostBeforeAllowanceForCreditLossExcludingAccruedInterest" abstract="false" name="FinancingReceivableAmortizedCostBeforeAllowanceForCreditLossExcludingAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_LoansForAgriculturalProductionMember" abstract="true" name="LoansForAgriculturalProductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_StateAndMunicipalSecuritiesFairValueDisclosure" abstract="false" name="StateAndMunicipalSecuritiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_FinancingReceivableTroubledDebtRestructuringNonaccrual" abstract="false" name="FinancingReceivableTroubledDebtRestructuringNonaccrual" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_AllowanceForLoanLossesAndCreditQualityTextBlock" abstract="false" name="AllowanceForLoanLossesAndCreditQualityTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lkfn_FinishedGoodsMember" abstract="true" name="FinishedGoodsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lkfn_UsGovernmentAgenciesSecuritiesFairValueDisclosure" abstract="false" name="UsGovernmentAgenciesSecuritiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lkfn_OffsettingDerivativesLiabilitiesAbstract" abstract="true" name="OffsettingDerivativesLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
