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<!-- DFS ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfsco.com/financial-services/ -->
<!-- Creation Date      : 2018-03-06T08:37:56.5704157+00:00 -->
<!-- Version            : 2.9.6605.1333 -->
<!-- Package ID         : ee2f883a70dd4e5099c9f7ab26c622d0 -->
<!-- Copyright (c) 2018 Donnelley Financial, LLC. All Rights Reserved. -->
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_FinancingReceivableAllowanceForCreditLossAcquiredLoansCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="fmnb_FinancingReceivableAllowanceForCreditLossAcquiredLoansCollectivelyEvaluatedForImpairment" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_FinancingReceivableAcquiredLoans" xlink:type="locator" xlink:label="fmnb_FinancingReceivableAcquiredLoans" />
    <label xml:lang="en-US" xlink:label="fmnb_FinancingReceivableAcquiredLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable acquired loans.</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxReconciliationBankOwnedLifeInsuranceIncome" xlink:type="locator" xlink:label="fmnb_IncomeTaxReconciliationBankOwnedLifeInsuranceIncome" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxReconciliationBankOwnedLifeInsuranceIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation bank owned life insurance income.</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums" xlink:type="locator" xlink:label="fmnb_IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation effect of nontaxable insurance premiums.</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="fmnb_TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxRateReconciliationNondeductibleAcquisitionCosts" xlink:type="locator" xlink:label="fmnb_IncomeTaxRateReconciliationNondeductibleAcquisitionCosts" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxRateReconciliationNondeductibleAcquisitionCosts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax rate reconciliation nondeductible acquisition costs.</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_ProvisionReversalForLoanLossesExpensed" xlink:type="locator" xlink:label="fmnb_ProvisionReversalForLoanLossesExpensed" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_NoninterestExpenseExcludingAmortizationAndDepreciation" xlink:type="locator" xlink:label="fmnb_NoninterestExpenseExcludingAmortizationAndDepreciation" />
    <label xml:lang="en-US" xlink:label="fmnb_NoninterestExpenseExcludingAmortizationAndDepreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Noninterest expense excluding amortization and depreciation.</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_DocumentAndEntityInformationAbstract" xlink:type="locator" xlink:label="fmnb_DocumentAndEntityInformationAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_DocumentAndEntityInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Document and entity information.</label>
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    <label xml:lang="en-US" xlink:label="fmnb_DocumentAndEntityInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Abstract]</label>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</label>
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    <label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</label>
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    <label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</label>
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    <label xml:lang="en-US" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</label>
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    <label xml:lang="en-US" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</label>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:type="locator" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
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    <label xml:lang="en-US" xlink:label="dei_EntityPublicFloat_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Public Float</label>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:type="locator" xlink:label="dei_EntityCommonStockSharesOutstanding" />
    <label xml:lang="en-US" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_FederalFundsSoldAndOther" xlink:type="locator" xlink:label="fmnb_FederalFundsSoldAndOther" />
    <label xml:lang="en-US" xlink:label="fmnb_FederalFundsSoldAndOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal funds sold and other.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FederalFundsSoldAndOther" xlink:to="fmnb_FederalFundsSoldAndOther_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfFinancialPositionAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Financial Position [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:type="locator" xlink:label="us-gaap_AssetsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASSETS</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndDueFromBanks" xlink:type="locator" xlink:label="us-gaap_CashAndDueFromBanks" />
    <label xml:lang="en-US" xlink:label="us-gaap_CashAndDueFromBanks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and due from banks</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndDueFromBanks" xlink:to="us-gaap_CashAndDueFromBanks_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CashAndDueFromBanks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Due From Banks</label>
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    <label xml:lang="en-US" xlink:label="fmnb_FederalFundsSoldAndOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Funds Sold And Other</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashCashEquivalentsAndFederalFundsSold" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsAndFederalFundsSold" />
    <label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsAndFederalFundsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL CASH AND CASH EQUIVALENTS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsAndFederalFundsSold" xlink:to="us-gaap_CashCashEquivalentsAndFederalFundsSold_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsAndFederalFundsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash Cash Equivalents And Federal Funds Sold</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecurities" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities available for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecurities" xlink:to="us-gaap_AvailableForSaleSecurities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:type="locator" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:to="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable Held For Sale Net Not Part Of Disposal Group</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:to="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Net Of Deferred Income</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less allowance for loan losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableAllowance" xlink:to="us-gaap_LoansAndLeasesReceivableAllowance_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Allowance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET LOANS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:to="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Net Reported Amount</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and equipment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Net</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:type="locator" xlink:label="us-gaap_Goodwill" />
    <label xml:lang="en-US" xlink:label="us-gaap_Goodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Goodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other intangibles</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Net</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BankOwnedLifeInsurance" xlink:type="locator" xlink:label="us-gaap_BankOwnedLifeInsurance" />
    <label xml:lang="en-US" xlink:label="us-gaap_BankOwnedLifeInsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank owned life insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BankOwnedLifeInsurance" xlink:to="us-gaap_BankOwnedLifeInsurance_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_BankOwnedLifeInsurance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Bank Owned Life Insurance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssets" xlink:type="locator" xlink:label="us-gaap_OtherAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:type="locator" xlink:label="us-gaap_Assets" />
    <label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL ASSETS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES AND STOCKHOLDERS&apos; EQUITY</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities And Stockholders Equity [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsAbstract" xlink:type="locator" xlink:label="us-gaap_DepositsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsAbstract" xlink:to="us-gaap_DepositsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deposits [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestBearingDepositLiabilities" xlink:type="locator" xlink:label="us-gaap_NoninterestBearingDepositLiabilities" />
    <label xml:lang="en-US" xlink:label="us-gaap_NoninterestBearingDepositLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest-bearing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestBearingDepositLiabilities" xlink:to="us-gaap_NoninterestBearingDepositLiabilities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NoninterestBearingDepositLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Bearing Deposit Liabilities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDepositLiabilities" xlink:type="locator" xlink:label="us-gaap_InterestBearingDepositLiabilities" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDepositLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDepositLiabilities" xlink:to="us-gaap_InterestBearingDepositLiabilities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDepositLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Deposit Liabilities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Deposits" xlink:type="locator" xlink:label="us-gaap_Deposits" />
    <label xml:lang="en-US" xlink:label="us-gaap_Deposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL DEPOSITS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Deposits" xlink:to="us-gaap_Deposits_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Deposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deposits</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:type="locator" xlink:label="us-gaap_ShortTermBorrowings" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowings" xlink:to="us-gaap_ShortTermBorrowings_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Borrowings</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebt" xlink:type="locator" xlink:label="us-gaap_LongTermDebt" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilities" xlink:type="locator" xlink:label="us-gaap_OtherLiabilities" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilities" xlink:to="us-gaap_OtherLiabilities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:type="locator" xlink:label="us-gaap_Liabilities" />
    <label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL LIABILITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Liabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:type="locator" xlink:label="us-gaap_CommitmentsAndContingencies" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingent liabilities (Note 12)</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingencies</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_BankOwnedLifeInsuranceIncomeIncludingIncomeFromDeathBenefits" xlink:type="locator" xlink:label="fmnb_BankOwnedLifeInsuranceIncomeIncludingIncomeFromDeathBenefits" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_RetirementPlanConsultingFees" xlink:type="locator" xlink:label="fmnb_RetirementPlanConsultingFees" />
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    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TREASURY STOCK, AT COST</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:type="locator" xlink:label="us-gaap_StatementLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of year</label>
    <label xml:lang="en-US" xlink:label="fmnb_StockIssuedDuringPeriodValueTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares issued under the Long Term Incentive Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_StockIssuedDuringPeriodValueTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Treasury Stock Reissued Under Long Term Incentive Plan</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued in contingent payments as part of a business combination</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Acquisitions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock compensation expense for unvested shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Share Based Compensation</label>
    <label xml:lang="en-US" xlink:label="fmnb_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of disproportionate tax effects</label>
    <label xml:lang="en-US" xlink:label="fmnb_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:type="locator" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" />
    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchased 19,900 shares in 2016 and 26,800 shares in 2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Value Acquired Cost Method</label>
    <label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:type="locator" xlink:label="us-gaap_DividendsCommonStockCash" />
    <label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Dividends declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStockCash" xlink:to="us-gaap_DividendsCommonStockCash_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Common Stock Cash</label>
    <label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</label>
    <label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of year</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan" xlink:type="locator" xlink:label="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan" />
    <label xml:lang="en-US" xlink:label="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares treasury stock reissued under long term incentive plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan" xlink:to="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury shares issued under the Long Term Incentive Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_StockIssuedDuringPeriodSharesTreasuryStockReissuedUnderLongTermIncentivePlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Treasury Stock Reissued Under Long Term Incentive Plan</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued in contingent payments as part of a business combination, shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Acquisitions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:type="locator" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash dividend declared per share of common stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Dividends Per Share Declared</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:type="locator" xlink:label="us-gaap_TreasuryStockSharesAcquired" />
    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock repurchased</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="us-gaap_TreasuryStockSharesAcquired_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Shares Acquired</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PurchaseOfRestrictedStock" xlink:type="locator" xlink:label="fmnb_PurchaseOfRestrictedStock" />
    <label xml:lang="en-US" xlink:label="fmnb_PurchaseOfRestrictedStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase of restricted stock.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PurchaseOfRestrictedStock" xlink:to="fmnb_PurchaseOfRestrictedStock_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SecurityPurchasesNotSettled" xlink:type="locator" xlink:label="fmnb_SecurityPurchasesNotSettled" />
    <label xml:lang="en-US" xlink:label="fmnb_SecurityPurchasesNotSettled_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Security purchases not settled.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SecurityPurchasesNotSettled" xlink:to="fmnb_SecurityPurchasesNotSettled_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Cash Flows [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CASH FLOWS FROM OPERATING ACTIVITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net income to net cash from operating activities:</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:type="locator" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAmortizationAndAccretionNet" xlink:to="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation Amortization And Accretion Net</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:type="locator" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium" />
    <label xml:lang="en-US" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net amortization of securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="us-gaap_AmortizationOfDebtDiscountPremium_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Debt Discount Premium</label>
    <label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfSecuritiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Security gains</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainsLossesOnSalesOfAssets" xlink:type="locator" xlink:label="us-gaap_GainsLossesOnSalesOfAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss (gain) on land and building sales, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnSalesOfAssets" xlink:to="us-gaap_GainsLossesOnSalesOfAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gains Losses On Sales Of Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensation" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock compensation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:type="locator" xlink:label="us-gaap_GainLossOnSaleOfProperties" />
    <label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on sale of other real estate owned</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfProperties" xlink:to="us-gaap_GainLossOnSaleOfProperties_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Sale Of Properties</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BankOwnedLifeInsuranceIncome" xlink:type="locator" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome" />
    <label xml:lang="en-US" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Earnings on bank owned life insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BankOwnedLifeInsuranceIncome" xlink:to="us-gaap_BankOwnedLifeInsuranceIncome_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Bank Owned Life Insurance Income</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:type="locator" xlink:label="us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" />
    <label xml:lang="en-US" xlink:label="us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Origination of loans held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:to="us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale_lbl" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans" />
    <label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of other real estate owned</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForProceedsFromLifeInsurancePolicies" xlink:type="locator" xlink:label="us-gaap_PaymentsForProceedsFromLifeInsurancePolicies" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets" />
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    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Policy [Text Block]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NatureOfOperationsPolicyTextBlock" xlink:type="locator" xlink:label="fmnb_NatureOfOperationsPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Nature of operations.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NatureOfOperationsPolicyTextBlock" xlink:to="fmnb_NatureOfOperationsPolicyTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nature of Operations</label>
    <label xml:lang="en-US" xlink:label="fmnb_NatureOfOperationsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Nature Of Operations Policy [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UseOfEstimates" xlink:type="locator" xlink:label="us-gaap_UseOfEstimates" />
    <label xml:lang="en-US" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Use Of Estimates</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" xlink:type="locator" xlink:label="us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" />
    <label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Available for Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" xlink:to="us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Marketable Securities Available For Sale Securities Policy</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy" xlink:type="locator" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Held for Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy" xlink:to="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Loan And Lease Receivables Held For Sale Policy</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinanceLoansAndLeasesReceivablePolicy" xlink:type="locator" xlink:label="us-gaap_FinanceLoansAndLeasesReceivablePolicy" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinanceLoansAndLeasesReceivablePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLoansAndLeasesReceivablePolicy" xlink:to="us-gaap_FinanceLoansAndLeasesReceivablePolicy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinanceLoansAndLeasesReceivablePolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finance Loans And Leases Receivable Policy</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchased Credit Impaired Loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xlink:to="us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable Policy Policy [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_DerivativesPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="us-gaap_DerivativesPolicyTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives Policy [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskCreditRisk" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Credit Risk</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskCreditRisk" xlink:to="us-gaap_ConcentrationRiskCreditRisk_lbl" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Loan Losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xlink:to="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Allowance For Loan Losses Policy</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ServicingRightsPolicyTextBlock" xlink:type="locator" xlink:label="fmnb_ServicingRightsPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_ServicingRightsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Servicing rights.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ServicingRightsPolicyTextBlock" xlink:to="fmnb_ServicingRightsPolicyTextBlock_lbl" />
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    <label xml:lang="en-US" xlink:label="fmnb_ServicingRightsPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Rights Policy [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentsForeclosedAssetsPolicy" xlink:type="locator" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentsForeclosedAssetsPolicy" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinanceLoanAndLeaseReceivablesHeldForInvestmentsForeclosedAssetsPolicy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreclosed Assets</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_RestrictedStockPolicyTextBlock" xlink:type="locator" xlink:label="fmnb_RestrictedStockPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_RestrictedStockPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted stock.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_RestrictedStockPolicyTextBlock" xlink:to="fmnb_RestrictedStockPolicyTextBlock_lbl" />
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    <label xml:lang="en-US" xlink:label="fmnb_RestrictedStockPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock Policy [Text Block]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_BankOwnedLifeInsurancePolicyTextBlock" xlink:type="locator" xlink:label="fmnb_BankOwnedLifeInsurancePolicyTextBlock" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_BankOwnedLifeInsurancePolicyTextBlock" xlink:to="fmnb_BankOwnedLifeInsurancePolicyTextBlock_lbl" />
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    <label xml:lang="en-US" xlink:label="fmnb_BankOwnedLifeInsurancePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Bank Owned Life Insurance Policy [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_LoanCommitmentsAndRelatedFinancialInstrumentsPolicyTextBlock" xlink:type="locator" xlink:label="fmnb_LoanCommitmentsAndRelatedFinancialInstrumentsPolicyTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:type="locator" xlink:label="us-gaap_PensionAndOtherPostretirementPlansPolicy" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Common Share</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Comprehensive Income</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income Policy Policy [Text Block]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_InvestmentInResidentialConsumerAndIndirectAutoLoansBasedOnPaymentActivityTableTextBlock" xlink:type="locator" xlink:label="fmnb_InvestmentInResidentialConsumerAndIndirectAutoLoansBasedOnPaymentActivityTableTextBlock" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_MortgageLoansPortfoliosServicedTableTextBlock" xlink:type="locator" xlink:label="fmnb_MortgageLoansPortfoliosServicedTableTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Measured at Fair Value on Recurring Basis</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets Measured On Recurring Basis [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation for All Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Measured at Fair Value on Non-Recurring Basis</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:type="locator" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rent Commitments</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Intangible Assets</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_TimeDepositsByMaturityTableTextBlock" xlink:type="locator" xlink:label="fmnb_TimeDepositsByMaturityTableTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_TimeDepositsByMaturityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Time deposits by maturity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TimeDepositsByMaturityTableTextBlock" xlink:to="fmnb_TimeDepositsByMaturityTableTextBlock_lbl" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_ScheduleOfInterestBearingDepositsTableTextBlock" xlink:type="locator" xlink:label="fmnb_ScheduleOfInterestBearingDepositsTableTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfInterestBearingDepositsTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of interest bearing deposits.</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CollateralAxis" xlink:type="locator" xlink:label="us-gaap_CollateralAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_CollateralAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_CollateralDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_CollateralDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Collateral [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CollateralPledgedMember" xlink:type="locator" xlink:label="us-gaap_CollateralPledgedMember" />
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    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Table [Text Block]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock" xlink:type="locator" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of securities sold under agreements to repurchase.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock" xlink:to="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Securities Sold under Agreements to Repurchase</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Securities Sold Under Agreements To Repurchase Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRepurchaseAgreements" xlink:type="locator" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Disaggregation of the Obligation by the Class of Collateral Pledged for Short-Term Financing Obtained Through the Sales of Repurchase Agreements</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Repurchase Agreements</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock" xlink:type="locator" xlink:label="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of federal home loan bank advances maturities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock" xlink:to="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Federal Home Loan Bank Advances Maturities Table Text Block</label>
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfFederalHomeLoanBankAdvancesMaturitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Federal Home Loan Bank Advances Maturities Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The Contractual Amounts of Financial Instruments with Off-Balance-Sheet Risk at Year End</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Fair Value Off Balance Sheet Risks [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Award Activity under Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Actual and Required Capital Amounts (Not Including Capital Conservation Buffer) and Ratios</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xlink:to="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for Income Taxes (Credit)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective Tax Rates Differ from Federal Statutory Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Assets (Liabilities)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Comprehensive Income (Loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:to="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Comprehensive Income Loss Table [Text Block]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock" xlink:type="locator" xlink:label="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock" />
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of loans and leases receivable related parties.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock" xlink:to="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans to Principal Officers, Directors, and Their Affiliates</label>
    <label xml:lang="en-US" xlink:label="fmnb_ScheduleOfLoansAndLeasesReceivableRelatedPartiesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Loans And Leases Receivable Related Parties Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Computation of Basic and Diluted Earnings Per Share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Information about Interest-Rate Swaps</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock" xlink:to="us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfInterestRateDerivativesTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Interest Rate Derivatives Table [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Segment Reporting Information</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Segment Reporting Information By Segment [Text Block]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:type="locator" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quarterly Financial Data (Unaudited)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:to="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Quarterly Financial Information Table [Text Block]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfLocationsServedByBank" xlink:type="locator" xlink:label="fmnb_NumberOfLocationsServedByBank" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfLocationsServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of locations served by bank.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfLocationsServedByBank" xlink:to="fmnb_NumberOfLocationsServedByBank_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" xlink:type="locator" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies additional textual.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract" xlink:to="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSignificantAccountingPoliciesLineItems" xlink:type="locator" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesLineItems" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="fmnb_SummaryOfSignificantAccountingPoliciesLineItems_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSignificantAccountingPoliciesTable" xlink:type="locator" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTable" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSignificantAccountingPoliciesTable" xlink:to="fmnb_SummaryOfSignificantAccountingPoliciesTable_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:type="locator" xlink:label="us-gaap_StatementGeographicalAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_StatementGeographicalAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementGeographicalAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Geographical [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:type="locator" xlink:label="us-gaap_SegmentGeographicalDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Geographical</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="us-gaap_SegmentGeographicalDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Geographical [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SouthwesternPennsylvaniaMember" xlink:type="locator" xlink:label="fmnb_SouthwesternPennsylvaniaMember" />
    <label xml:lang="en-US" xlink:label="fmnb_SouthwesternPennsylvaniaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Southwestern Pennsylvania.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SouthwesternPennsylvaniaMember" xlink:to="fmnb_SouthwesternPennsylvaniaMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SouthwesternPennsylvaniaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Southwestern Pennsylvania</label>
    <label xml:lang="en-US" xlink:label="fmnb_SouthwesternPennsylvaniaMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Southwestern Pennsylvania [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:to="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:to="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResidentialPortfolioSegmentMember" xlink:type="locator" xlink:label="us-gaap_ResidentialPortfolioSegmentMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Residential Real Estate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResidentialPortfolioSegmentMember" xlink:to="us-gaap_ResidentialPortfolioSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Residential Portfolio Segment [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="locator" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MortgageServicingRightsMember" xlink:type="locator" xlink:label="fmnb_MortgageServicingRightsMember" />
    <label xml:lang="en-US" xlink:label="fmnb_MortgageServicingRightsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage servicing rights.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MortgageServicingRightsMember" xlink:to="fmnb_MortgageServicingRightsMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MortgageServicingRightsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Servicing Rights</label>
    <label xml:lang="en-US" xlink:label="fmnb_MortgageServicingRightsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Servicing Rights [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, Plant and Equipment, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment By Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property, Plant and Equipment, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Type [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingMember" xlink:type="locator" xlink:label="us-gaap_BuildingMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_BuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Buildings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingMember" xlink:to="us-gaap_BuildingMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_BuildingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Building [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:type="locator" xlink:label="us-gaap_FurnitureAndFixturesMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Furniture Fixtures and Equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Furniture And Fixtures [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:type="locator" xlink:label="us-gaap_RangeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:type="locator" xlink:label="us-gaap_RangeMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_RangeMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:type="locator" xlink:label="us-gaap_MinimumMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:type="locator" xlink:label="us-gaap_MaximumMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets by Major Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets By Major Class [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets, Major Class Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Major Class Name [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CoreDepositsMember" xlink:type="locator" xlink:label="us-gaap_CoreDepositsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Core Deposits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CoreDepositsMember" xlink:to="us-gaap_CoreDepositsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Core Deposits [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:type="locator" xlink:label="us-gaap_CustomerRelationshipsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer Relationships</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Customer Relationships [Member]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated Other Comprehensive Income</label>
    <label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Retained Earnings</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies (Additional Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies Additional Textual [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfLocationsServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of locations served by bank</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfLocationsServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Locations Served By Bank</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PeriodOfFederalFundPurchasedAndSold" xlink:type="locator" xlink:label="fmnb_PeriodOfFederalFundPurchasedAndSold" />
    <label xml:lang="en-US" xlink:label="fmnb_PeriodOfFederalFundPurchasedAndSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period of federal fund purchased and sold.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PeriodOfFederalFundPurchasedAndSold" xlink:to="fmnb_PeriodOfFederalFundPurchasedAndSold_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_PeriodOfFederalFundPurchasedAndSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchased and sold period of federal fund</label>
    <label xml:lang="en-US" xlink:label="fmnb_PeriodOfFederalFundPurchasedAndSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Period Of Federal Fund Purchased And Sold</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued" xlink:type="locator" xlink:label="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued" />
    <label xml:lang="en-US" xlink:label="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Delinquent period of loans after which interest income is discontinued.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued" xlink:to="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delinquent period of loans after which interest income is discontinued</label>
    <label xml:lang="en-US" xlink:label="fmnb_DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Delinquent Period Of Loans After Which Interest Income Is Discontinued</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose" xlink:type="locator" xlink:label="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of county economy consider for credit risk purpose.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose" xlink:to="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PercentageOfPortfolioLoansSecuredByRealEstate" xlink:type="locator" xlink:label="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate" />
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of portfolio loans secured by real estate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate" xlink:to="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of county economy from which credit risk exposure effected</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfCountyEconomyConsiderForCreditRiskPurpose_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of County Economy Consider For Credit Risk Purpose</label>
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of portfolio loans secured by real estate</label>
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfPortfolioLoansSecuredByRealEstate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Portfolio Loans Secured By Real Estate</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade" xlink:type="locator" xlink:label="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade" />
    <label xml:lang="en-US" xlink:label="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum amount of commercial and commercial real estate loans on which impairment to be made.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade" xlink:to="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment on loan</label>
    <label xml:lang="en-US" xlink:label="fmnb_MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Amount Of Commercial And Commercial Real Estate Loans On Which Impairment To Be Made</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaximumLoanFinancingPeriod" xlink:type="locator" xlink:label="fmnb_MaximumLoanFinancingPeriod" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumLoanFinancingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum loan financing period.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaximumLoanFinancingPeriod" xlink:to="fmnb_MaximumLoanFinancingPeriod_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract" xlink:type="locator" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract" xlink:to="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies (Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSignificantAccountingPoliciesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies Textual [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumLoanFinancingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan financing period</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumLoanFinancingPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Loan Financing Period</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:type="locator" xlink:label="us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance impairment against servicing assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:to="us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance For Impairment Of Recognized Servicing Assets Balance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstate" xlink:type="locator" xlink:label="us-gaap_OtherRealEstate" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherRealEstate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other real estate owned</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherRealEstate" xlink:to="us-gaap_OtherRealEstate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherRealEstate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Real Estate</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Range of buildings and furniture depreciated</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Useful Life</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock" xlink:to="us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankStockAndFederalReserveBankStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Stock And Federal Reserve Bank Stock</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets amortized period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Asset Useful Life</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination" xlink:type="locator" xlink:label="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination" />
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of tax benefit likelihood to be realized upon examination.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination" xlink:to="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognized tax amount</label>
    <label xml:lang="en-US" xlink:label="fmnb_PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Tax Benefit Likelihood To Be Realized Upon Examination</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:type="locator" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits with Federal Reserve Bank</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash And Cash Equivalents At Carrying Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:type="locator" xlink:label="us-gaap_NumberOfOperatingSegments" />
    <label xml:lang="en-US" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating segments of business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfOperatingSegments" xlink:to="us-gaap_NumberOfOperatingSegments_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Operating Segments</label>
    <label xml:lang="en-US" xlink:label="fmnb_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reclassification from accumulated other comprehensive income to retained earnings resulted from early adoption of ASU 2018-02</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:type="locator" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capitalization of leases as an asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:to="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Leases Balance Sheet Assets By Major Class Net</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForStock" xlink:type="locator" xlink:label="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForStock" />
    <label xml:lang="en-US" xlink:label="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition, maximum shares being exchanged for stock.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForStock" xlink:to="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForStock_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForCash" xlink:type="locator" xlink:label="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForCash" />
    <label xml:lang="en-US" xlink:label="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition, maximum shares being exchanged for cash.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForCash" xlink:to="fmnb_BusinessAcquisitionMaximumSharesBeingExchangedForCash_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MultiplierUsedToCalculatePerShareCashConsideration" xlink:type="locator" xlink:label="fmnb_MultiplierUsedToCalculatePerShareCashConsideration" />
    <label xml:lang="en-US" xlink:label="fmnb_MultiplierUsedToCalculatePerShareCashConsideration_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Multiplier used to calculate per share cash consideration.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MultiplierUsedToCalculatePerShareCashConsideration" xlink:to="fmnb_MultiplierUsedToCalculatePerShareCashConsideration_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_VolumeWeightedAverageClosingPricePerShareOfCommonShares" xlink:type="locator" xlink:label="fmnb_VolumeWeightedAverageClosingPricePerShareOfCommonShares" />
    <label xml:lang="en-US" xlink:label="fmnb_VolumeWeightedAverageClosingPricePerShareOfCommonShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Volume weighted average closing price per share of common shares.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_VolumeWeightedAverageClosingPricePerShareOfCommonShares" xlink:to="fmnb_VolumeWeightedAverageClosingPricePerShareOfCommonShares_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_BusinessCombinationFinalStockExchangeRatio" xlink:type="locator" xlink:label="fmnb_BusinessCombinationFinalStockExchangeRatio" />
    <label xml:lang="en-US" xlink:label="fmnb_BusinessCombinationFinalStockExchangeRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination final stock exchange ratio.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_BusinessCombinationFinalStockExchangeRatio" xlink:to="fmnb_BusinessCombinationFinalStockExchangeRatio_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PeriodOfTradingDaysConsideredForVolumeWeightedAverageClosingPrice" xlink:type="locator" xlink:label="fmnb_PeriodOfTradingDaysConsideredForVolumeWeightedAverageClosingPrice" />
    <label xml:lang="en-US" xlink:label="fmnb_PeriodOfTradingDaysConsideredForVolumeWeightedAverageClosingPrice_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Period of trading days considered for volume weighted average closing price.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PeriodOfTradingDaysConsideredForVolumeWeightedAverageClosingPrice" xlink:to="fmnb_PeriodOfTradingDaysConsideredForVolumeWeightedAverageClosingPrice_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Business Acquisitions By Acquisition [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Business Acquisitions By Acquisition [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:type="locator" xlink:label="us-gaap_ContingentConsiderationByTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContingentConsiderationByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent Consideration by Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationByTypeAxis" xlink:to="us-gaap_ContingentConsiderationByTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContingentConsiderationByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Consideration By Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:type="locator" xlink:label="us-gaap_ContingentConsiderationTypeDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContingentConsiderationTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contingent Consideration Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationTypeDomain" xlink:to="us-gaap_ContingentConsiderationTypeDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContingentConsiderationTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contingent Consideration Type [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_EarnoutPaymentMember" xlink:type="locator" xlink:label="fmnb_EarnoutPaymentMember" />
    <label xml:lang="en-US" xlink:label="fmnb_EarnoutPaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Earnout payment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_EarnoutPaymentMember" xlink:to="fmnb_EarnoutPaymentMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_EarnoutPaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnout Payment</label>
    <label xml:lang="en-US" xlink:label="fmnb_EarnoutPaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Earnout Payment [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TriStateFirstBancIncorporationMember" xlink:type="locator" xlink:label="fmnb_TriStateFirstBancIncorporationMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TriStateFirstBancIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tri-State 1st Banc Incorporation.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TriStateFirstBancIncorporationMember" xlink:to="fmnb_TriStateFirstBancIncorporationMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TriStateFirstBancIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tri-State 1st Banc Incorporation</label>
    <label xml:lang="en-US" xlink:label="fmnb_TriStateFirstBancIncorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tri State First Banc Incorporation [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Class Of Stock [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Stock [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:type="locator" xlink:label="us-gaap_SeriesAPreferredStockMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesAPreferredStockMember" xlink:to="us-gaap_SeriesAPreferredStockMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Stock [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NationalBancsharesCorporationMember" xlink:type="locator" xlink:label="fmnb_NationalBancsharesCorporationMember" />
    <label xml:lang="en-US" xlink:label="fmnb_NationalBancsharesCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">National Bancshares Corporation.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NationalBancsharesCorporationMember" xlink:to="fmnb_NationalBancsharesCorporationMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NationalBancsharesCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">National Bancshares Corporation</label>
    <label xml:lang="en-US" xlink:label="fmnb_NationalBancsharesCorporationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">National Bancshares Corporation [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:type="locator" xlink:label="us-gaap_BusinessAcquisitionLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Acquisition [Line Items]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeCategorizationMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type Categorization [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_CorporateBondSecuritiesMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CorporateBondSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate bonds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateBondSecuritiesMember" xlink:to="us-gaap_CorporateBondSecuritiesMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CorporateBondSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Bond Securities [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CollateralizedMortgageObligationsMember" xlink:type="locator" xlink:label="us-gaap_CollateralizedMortgageObligationsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CollateralizedMortgageObligationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateralized mortgage obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CollateralizedMortgageObligationsMember" xlink:to="us-gaap_CollateralizedMortgageObligationsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CollateralizedMortgageObligationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Collateralized Mortgage Obligations [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SmallBusinessAdministrationMember" xlink:type="locator" xlink:label="fmnb_SmallBusinessAdministrationMember" />
    <label xml:lang="en-US" xlink:label="fmnb_SmallBusinessAdministrationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Small business administration.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SmallBusinessAdministrationMember" xlink:to="fmnb_SmallBusinessAdministrationMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SmallBusinessAdministrationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Small Business Administration</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Available For Sale Securities [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Available For Sale Securities [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortized Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Amortized Cost</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Unrealized Losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax</label>
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales of available-for-sale securities and the associated gains and losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Gross Realized Gain Loss [Abstract]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross gains</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Gross Realized Gains</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Gross Realized Losses</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SecuritiesAdditionalTextualAbstract" xlink:type="locator" xlink:label="fmnb_SecuritiesAdditionalTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SecuritiesAdditionalTextualAbstract" xlink:to="fmnb_SecuritiesAdditionalTextualAbstract_lbl" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:type="locator" xlink:label="dei_LegalEntityAxis" />
    <label xml:lang="en-US" xlink:label="dei_LegalEntityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" />
    <label xml:lang="en-US" xlink:label="dei_LegalEntityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</label>
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:type="locator" xlink:label="dei_EntityDomain" />
    <label xml:lang="en-US" xlink:label="dei_EntityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity</label>
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    <label xml:lang="en-US" xlink:label="dei_EntityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FarmersTrustCompanyMember" xlink:type="locator" xlink:label="fmnb_FarmersTrustCompanyMember" />
    <label xml:lang="en-US" xlink:label="fmnb_FarmersTrustCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Farmers trust company.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FarmersTrustCompanyMember" xlink:to="fmnb_FarmersTrustCompanyMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_FarmersTrustCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Farmers Trust Company</label>
    <label xml:lang="en-US" xlink:label="fmnb_FarmersTrustCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Farmers Trust Company [Member]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Available for Sale (Additional Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Additional Textual [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Tax provision related to net realized gain</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized cost and fair value of the debt securities maturity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, Within one year</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities Within One Year Amortized Cost</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, One to five years</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, Five to ten years</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost, Beyond ten years</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, One to five years</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After One Through Five Years Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Five to ten years</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Beyond ten years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities After Ten Years Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Mortgage-backed securities, collateralized mortgage obligations and Small Business Administration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Total</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Debt Securities</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SecuritiesTextualAbstract" xlink:type="locator" xlink:label="fmnb_SecuritiesTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SecuritiesTextualAbstract" xlink:to="fmnb_SecuritiesTextualAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Available for Sale (Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Textual [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged to secure public deposits and repurchase agreements and Pledge to qualify carrying amount of securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xlink:to="us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Pledged As Collateral</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage" xlink:type="locator" xlink:label="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of securities present more than specified percentage.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage" xlink:to="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of securities not more than 10% of stockholder equities</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesPresentMoreThanSpecifiedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Securities Present More Than Specified Percentage</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAbstract" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment securities with unrealized losses</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Less Than 12 Months</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized Losses, Less Than 12 Months</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, 12 Months or Longer</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized Losses, 12 Months or Longer</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Total</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Available For Sale Securities Continuous Unrealized Loss Position Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:type="locator" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities" xlink:type="locator" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities" />
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    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of securities.</label>
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    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesOnUnrealizedLossPosition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of securities on unrealized loss position.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfSecuritiesOnUnrealizedLossPosition" xlink:to="fmnb_NumberOfSecuritiesOnUnrealizedLossPosition_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of securities</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Securities</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesOnUnrealizedLossPosition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of securities on unrealized loss position</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfSecuritiesOnUnrealizedLossPosition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Securities On Unrealized Loss Position</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_OriginatedLoansMember" xlink:type="locator" xlink:label="fmnb_OriginatedLoansMember" />
    <label xml:lang="en-US" xlink:label="fmnb_OriginatedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Originated loans.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_OriginatedLoansMember" xlink:to="fmnb_OriginatedLoansMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_OriginatedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Originated Loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_OriginatedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Originated Loans [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AcquiredLoansMember" xlink:type="locator" xlink:label="fmnb_AcquiredLoansMember" />
    <label xml:lang="en-US" xlink:label="fmnb_AcquiredLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquired loans.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AcquiredLoansMember" xlink:to="fmnb_AcquiredLoansMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_AcquiredLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired Loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_AcquiredLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Loans [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialRealEstateOwnerOccupiedMember" xlink:type="locator" xlink:label="fmnb_CommercialRealEstateOwnerOccupiedMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial real estate owner occupied.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialRealEstateOwnerOccupiedMember" xlink:to="fmnb_CommercialRealEstateOwnerOccupiedMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate, Owner occupied</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Owner Occupied [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialRealEstateNonOwnerOccupiedMember" xlink:type="locator" xlink:label="fmnb_CommercialRealEstateNonOwnerOccupiedMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateNonOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial real estate non owner occupied.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialRealEstateNonOwnerOccupiedMember" xlink:to="fmnb_CommercialRealEstateNonOwnerOccupiedMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateNonOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate, Non-owner occupied</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateNonOwnerOccupiedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Non Owner Occupied [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialRealEstateFarmlandMember" xlink:type="locator" xlink:label="fmnb_CommercialRealEstateFarmlandMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial real estate farmland.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialRealEstateFarmlandMember" xlink:to="fmnb_CommercialRealEstateFarmlandMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate, Farmland</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Farmland [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialRealEstateOtherMember" xlink:type="locator" xlink:label="fmnb_CommercialRealEstateOtherMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial real estate other.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialRealEstateOtherMember" xlink:to="fmnb_CommercialRealEstateOtherMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate, Other</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialRealEstateOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Other [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialCommercialAndIndustrialMember" xlink:type="locator" xlink:label="fmnb_CommercialCommercialAndIndustrialMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialCommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial commercial and industrial.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialCommercialAndIndustrialMember" xlink:to="fmnb_CommercialCommercialAndIndustrialMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialCommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial, Commercial and industrial</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialCommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Commercial And Industrial [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember" xlink:type="locator" xlink:label="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Residential real estate 1-4 family residential.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember" xlink:to="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential real estate, 1-4 family residential</label>
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Residential Real Estate One To Four Family Residential [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialAgriculturalMember" xlink:type="locator" xlink:label="fmnb_CommercialAgriculturalMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAgriculturalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial agricultural.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialAgriculturalMember" xlink:to="fmnb_CommercialAgriculturalMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAgriculturalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial, Agricultural</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAgriculturalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Agricultural [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ResidentialRealEstateHomeEquityMember" xlink:type="locator" xlink:label="fmnb_ResidentialRealEstateHomeEquityMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateHomeEquityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Residential real estate home equity.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ResidentialRealEstateHomeEquityMember" xlink:to="fmnb_ResidentialRealEstateHomeEquityMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateHomeEquityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential real estate, Home equity lines of credit</label>
    <label xml:lang="en-US" xlink:label="fmnb_ResidentialRealEstateHomeEquityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Residential Real Estate Home Equity [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ConsumerIndirectMember" xlink:type="locator" xlink:label="fmnb_ConsumerIndirectMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerIndirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer indirect.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ConsumerIndirectMember" xlink:to="fmnb_ConsumerIndirectMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerIndirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer, Indirect</label>
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerIndirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Indirect [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ConsumerDirectMember" xlink:type="locator" xlink:label="fmnb_ConsumerDirectMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerDirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer direct.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ConsumerDirectMember" xlink:to="fmnb_ConsumerDirectMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerDirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer, Direct</label>
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerDirectMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Direct [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ConsumerOtherMember" xlink:type="locator" xlink:label="fmnb_ConsumerOtherMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer other member.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ConsumerOtherMember" xlink:to="fmnb_ConsumerOtherMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer, Other</label>
    <label xml:lang="en-US" xlink:label="fmnb_ConsumerOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Other [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:type="locator" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:to="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate Portfolio Segment [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:type="locator" xlink:label="us-gaap_CommercialPortfolioSegmentMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialPortfolioSegmentMember" xlink:to="us-gaap_CommercialPortfolioSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Portfolio Segment [Member]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential real estate</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:type="locator" xlink:label="us-gaap_ConsumerPortfolioSegmentMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsumerPortfolioSegmentMember" xlink:to="us-gaap_ConsumerPortfolioSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Portfolio Segment [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="locator" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Notes And Loans Receivable [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Notes And Loans Receivable [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableDisclosureAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of loan balances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableDisclosureAbstract" xlink:to="us-gaap_LoansAndLeasesReceivableDisclosureAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Disclosure [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan balances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:to="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Gross Carrying Amount</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total loans</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums" xlink:type="locator" xlink:label="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net deferred loan costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums" xlink:to="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allowance for loan losses</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance" xlink:type="locator" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance" />
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loans acquired in transfer accounted for as debt securities acquired during period contractually required payments receivable at acquisition outstanding balance.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance" xlink:to="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue" xlink:type="locator" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue" />
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loans acquired in transfer accounted for as debt securities acquired during period contractually required payments receivable at acquisition net carrying value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue" xlink:to="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfImpairedFinancingReceivableTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfImpairedFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Impaired Financing Receivable [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfImpairedFinancingReceivableTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfImpairedFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Impaired Financing Receivable [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableImpairedLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableImpairedLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableImpairedLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Impaired [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableImpairedLineItems" xlink:to="us-gaap_FinancingReceivableImpairedLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableImpairedLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Impaired [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" xlink:type="locator" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans acquired with deteriorated credit quality</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" xlink:to="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition</label>
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total outstanding balance</label>
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionOutstandingBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition Outstanding Balance</label>
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying amount, net of allowance</label>
    <label xml:lang="en-US" xlink:label="fmnb_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisitionNetCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition Net Carrying Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis" xlink:type="locator" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables Acquired with Deteriorated Credit Quality</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis" xlink:to="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivables Acquired With Deteriorated Credit Quality [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain" xlink:type="locator" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables Acquired with Deteriorated Credit Quality</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain" xlink:to="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivables Acquired With Deteriorated Credit Quality [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember" xlink:type="locator" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables Acquired with Deteriorated Credit Quality</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember" xlink:to="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivables Acquired With Deteriorated Credit Quality [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired with deteriorated credit quality, allowances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" xlink:type="locator" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" xlink:type="locator" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New loans purchased</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" xlink:type="locator" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion</label>
    <label xml:lang="en-US" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Allowance For Credit Losses [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financing Receivable Allowance For Credit Losses [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:type="locator" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unallocated</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnallocatedFinancingReceivablesMember" xlink:to="us-gaap_UnallocatedFinancingReceivablesMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unallocated Financing Receivables [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Allowance For Credit Losses [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for loan losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Roll Forward</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loans charged off</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Write Offs</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recoveries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Recovery</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ending allowance balance attributable to loans:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Loss Additional Information [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" />
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    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment90 Days Past Due And Still Accruing</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivables Past Due [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financing Receivables Past Due [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Period Past Due</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Period Past Due [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Period Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:to="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Period Past Due [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivables30To59DaysPastDueMember" xlink:type="locator" xlink:label="us-gaap_FinancingReceivables30To59DaysPastDueMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivables30To59DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 30 to 59 Days Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivables30To59DaysPastDueMember" xlink:to="us-gaap_FinancingReceivables30To59DaysPastDueMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivables30To59DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables30 To59 Days Past Due [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivables60To89DaysPastDueMember" xlink:type="locator" xlink:label="us-gaap_FinancingReceivables60To89DaysPastDueMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivables60To89DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 60 to 89 Days Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivables60To89DaysPastDueMember" xlink:to="us-gaap_FinancingReceivables60To89DaysPastDueMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivables60To89DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables60 To89 Days Past Due [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Equal to Greater than 90 Days Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:to="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Equal To Greater Than90 Days Past Due [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Recorded Investment Past Due [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Past Due [Line Items]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of investment in past due loans</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Past Due</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Not Past Due</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Current</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Troubled Debt Restructurings [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financing Receivable Troubled Debt Restructurings [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoanRestructuringModificationAxis" xlink:type="locator" xlink:label="us-gaap_LoanRestructuringModificationAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanRestructuringModificationAxis" xlink:to="us-gaap_LoanRestructuringModificationAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoanRestructuringModificationDomain" xlink:type="locator" xlink:label="us-gaap_LoanRestructuringModificationDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanRestructuringModificationDomain" xlink:to="us-gaap_LoanRestructuringModificationDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TroubledDebtRestructuringsMember" xlink:type="locator" xlink:label="fmnb_TroubledDebtRestructuringsMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TroubledDebtRestructuringsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Troubled debt restructurings.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TroubledDebtRestructuringsMember" xlink:to="fmnb_TroubledDebtRestructuringsMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TroubledDebtRestructuringsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Troubled debt restructurings</label>
    <label xml:lang="en-US" xlink:label="fmnb_TroubledDebtRestructuringsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Troubled Debt Restructurings [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualInterestRateReductionMember" xlink:type="locator" xlink:label="us-gaap_ContractualInterestRateReductionMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual Interest Rate Reduction</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualInterestRateReductionMember" xlink:to="us-gaap_ContractualInterestRateReductionMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Interest Rate Reduction [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ExtendedMaturityMember" xlink:type="locator" xlink:label="us-gaap_ExtendedMaturityMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ExtendedMaturityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extended Maturity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtendedMaturityMember" xlink:to="us-gaap_ExtendedMaturityMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ExtendedMaturityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Extended Maturity [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:type="locator" xlink:label="us-gaap_CommercialRealEstateMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial real estate loan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialRealEstateMember" xlink:to="us-gaap_CommercialRealEstateMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Real Estate [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:type="locator" xlink:label="us-gaap_ResidentialMortgageMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ResidentialMortgageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential real estate loan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResidentialMortgageMember" xlink:to="us-gaap_ResidentialMortgageMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ResidentialMortgageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Residential Mortgage [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Modifications [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsLineItems" xlink:to="us-gaap_FinancingReceivableModificationsLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsRecordedInvestment" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total troubled debt restructurings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsRecordedInvestment" xlink:to="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Recorded Investment</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Specific reserves to customers</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:type="locator" xlink:label="us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments to lend additional amounts to borrowers classified as troubled debt restructurings</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Impaired Commitment To Lend</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DebtInstrumentInterestRateReductionPercentage" xlink:type="locator" xlink:label="fmnb_DebtInstrumentInterestRateReductionPercentage" />
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentInterestRateReductionPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument interest rate reduction percentage.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DebtInstrumentInterestRateReductionPercentage" xlink:to="fmnb_DebtInstrumentInterestRateReductionPercentage_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:type="locator" xlink:label="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod" />
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument maturity date length of extension period.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:to="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentInterestRateReductionPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction of the notes stated interest rate</label>
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentInterestRateReductionPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Interest Rate Reduction Percentage</label>
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity period loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentMaturityDateLengthOfExtensionPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Maturity Date Length Of Extension Period</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialAndIndustrialMember" xlink:type="locator" xlink:label="fmnb_CommercialAndIndustrialMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial and industrial.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialAndIndustrialMember" xlink:to="fmnb_CommercialAndIndustrialMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial and industrial</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialAndIndustrialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial And Industrial [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:to="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Number Of Contracts2</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-Modification Outstanding Recorded Investment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:to="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Pre Modification Recorded Investment2</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Post-Modification Outstanding Recorded Investment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:to="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Post Modification Recorded Investment2</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance adjustment charge offs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" xlink:to="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Impaired Troubled Debt Restructuring Write Down</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment" xlink:type="locator" xlink:label="us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment" />
    <label xml:lang="en-US" xlink:label="us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in the allowance for loan losses as a result of the allowance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment" xlink:to="us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Credit Losses Change In Method Of Calculating Impairment</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault" xlink:type="locator" xlink:label="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault" />
    <label xml:lang="en-US" xlink:label="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable period of modified contractually past due loans to be considered as payment default.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault" xlink:to="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Troubled debt restructured loans with subsequent payment defaults | Loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" xlink:to="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Subsequent Default Number Of Contracts1</label>
    <label xml:lang="en-US" xlink:label="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans default payment past due period</label>
    <label xml:lang="en-US" xlink:label="fmnb_FinancingReceivablePeriodOfModifiedContractuallyPastDueLoansToBeConsideredAsPaymentDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Period Of Modified Contractually Past Due Loans To Be Considered As Payment Default</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum" xlink:type="locator" xlink:label="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial loan and commercial real estate risk maximum.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum" xlink:to="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum commercial loan and commercial real estate relationships</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialLoanAndCommercialRealEstateRiskMaximum_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Loan And Commercial Real Estate Risk Maximum</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CreditQualityIndicatorsAbstract" xlink:type="locator" xlink:label="fmnb_CreditQualityIndicatorsAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_CreditQualityIndicatorsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit quality indicators.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CreditQualityIndicatorsAbstract" xlink:to="fmnb_CreditQualityIndicatorsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CreditQualityIndicatorsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Quality Indicators [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:to="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InternalCreditAssessmentAxis" xlink:type="locator" xlink:label="us-gaap_InternalCreditAssessmentAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalCreditAssessmentAxis" xlink:to="us-gaap_InternalCreditAssessmentAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InternalCreditAssessmentDomain" xlink:type="locator" xlink:label="us-gaap_InternalCreditAssessmentDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalCreditAssessmentDomain" xlink:to="us-gaap_InternalCreditAssessmentDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PassMember" xlink:type="locator" xlink:label="us-gaap_PassMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_PassMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pass</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PassMember" xlink:to="us-gaap_PassMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PassMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pass [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SpecialMentionMember" xlink:type="locator" xlink:label="us-gaap_SpecialMentionMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Special Mention</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SpecialMentionMember" xlink:to="us-gaap_SpecialMentionMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Special Mention [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubstandardMember" xlink:type="locator" xlink:label="us-gaap_SubstandardMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_SubstandardMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Substandard</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubstandardMember" xlink:to="us-gaap_SubstandardMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SubstandardMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Substandard [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommercialFarmlandMember" xlink:type="locator" xlink:label="fmnb_CommercialFarmlandMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial farmland.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommercialFarmlandMember" xlink:to="fmnb_CommercialFarmlandMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CommercialFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial farmland</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommercialFarmlandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Farmland [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Recorded Investment [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment [Line Items]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total risk category of loans by class of loans</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentPerformanceStatusAxis" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument Performance Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentPerformanceStatusAxis" xlink:to="us-gaap_FinancialInstrumentPerformanceStatusAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument Performance Status [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentPerformanceStatusDomain" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument Performance Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentPerformanceStatusDomain" xlink:to="us-gaap_FinancialInstrumentPerformanceStatusDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentPerformanceStatusDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument Performance Status [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PerformingFinancingReceivableMember" xlink:type="locator" xlink:label="us-gaap_PerformingFinancingReceivableMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_PerformingFinancingReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performing Financing Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PerformingFinancingReceivableMember" xlink:to="us-gaap_PerformingFinancingReceivableMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PerformingFinancingReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performing Financing Receivable [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonperformingFinancingReceivableMember" xlink:type="locator" xlink:label="us-gaap_NonperformingFinancingReceivableMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_NonperformingFinancingReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonperforming Financing Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonperformingFinancingReceivableMember" xlink:to="us-gaap_NonperformingFinancingReceivableMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NonperformingFinancingReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Nonperforming Financing Receivable [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MortgageLoanPortfoliosServicedForAbstract" xlink:type="locator" xlink:label="fmnb_MortgageLoanPortfoliosServicedForAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_MortgageLoanPortfoliosServicedForAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage loan portfolios serviced for.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MortgageLoanPortfoliosServicedForAbstract" xlink:to="fmnb_MortgageLoanPortfoliosServicedForAbstract_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ServicingLiabilitiesAtFairValueTable" xlink:type="locator" xlink:label="us-gaap_ServicingLiabilitiesAtFairValueTable" />
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    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:to="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments Financial Assets Balance Sheet Groupings [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:type="locator" xlink:label="us-gaap_DerivativeAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan yield maintenance provisions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssets" xlink:to="us-gaap_DerivativeAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:type="locator" xlink:label="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:to="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments Financial Liabilities Balance Sheet Groupings [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:type="locator" xlink:label="us-gaap_DerivativeLiabilities" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilities" xlink:to="us-gaap_DerivativeLiabilities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liabilities</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount" xlink:type="locator" xlink:label="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount" />
    <label xml:lang="en-US" xlink:label="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value assets liabilities level 1 and level 2 transfers amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount" xlink:to="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CollateralDependentImpairedLoansMember" xlink:type="locator" xlink:label="fmnb_CollateralDependentImpairedLoansMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CollateralDependentImpairedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral dependent impaired loans.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CollateralDependentImpairedLoansMember" xlink:to="fmnb_CollateralDependentImpairedLoansMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CollateralDependentImpairedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Dependent Impaired Loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_CollateralDependentImpairedLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Dependent Impaired Loans [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationTechniqueAxis" xlink:type="locator" xlink:label="us-gaap_ValuationTechniqueAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationTechniqueAxis" xlink:to="us-gaap_ValuationTechniqueAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationTechniqueDomain" xlink:type="locator" xlink:label="us-gaap_ValuationTechniqueDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationTechniqueDomain" xlink:to="us-gaap_ValuationTechniqueDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeApproachValuationTechniqueMember" xlink:type="locator" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Measured Using Present Value of Cash Flows</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeApproachValuationTechniqueMember" xlink:to="us-gaap_IncomeApproachValuationTechniqueMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Approach Valuation Technique [Member]</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value assets liabilities transfers amount between level 1 and level 2</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Level1 And Level2 Transfers Amount</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities" xlink:type="locator" xlink:label="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities" />
    <label xml:lang="en-US" xlink:label="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset repayments calls and maturities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities" xlink:to="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total unrealized gains or losses:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation Calculation Roll Forward</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in other comprehensive income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments, calls and maturities</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsCallsAndMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Repayments Calls And Maturities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired and/or purchased</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember" xlink:type="locator" xlink:label="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember" />
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other real estate owned one to four family residential.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember" xlink:to="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other real estate owned, 1&#8211;4 family residential</label>
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedOneToFourFamilyResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Real Estate Owned One To Four Family Residential [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Measurements, Nonrecurring</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsNonrecurringMember" xlink:to="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements Nonrecurring [Member]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivableRecordedInvestment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recorded Investment</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impaired loans, unpaid principal balance with allowance recorded</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivableRelatedAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Impaired loans, allowance</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Troubled debt restructurings</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_WriteDownOfOtherRealEstateOwned" xlink:type="locator" xlink:label="fmnb_WriteDownOfOtherRealEstateOwned" />
    <label xml:lang="en-US" xlink:label="fmnb_WriteDownOfOtherRealEstateOwned_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Write down of other real estate owned.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_WriteDownOfOtherRealEstateOwned" xlink:to="fmnb_WriteDownOfOtherRealEstateOwned_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals" xlink:type="locator" xlink:label="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of properties charged down reflecting updated appraisals.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals" xlink:to="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet" xlink:type="locator" xlink:label="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet" />
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other real estate owned measured at fair value net.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet" xlink:to="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of properties charged down reflecting updated appraisals</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfPropertiesChargedDownReflectingUpdatedAppraisals_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Properties Charged Down Reflecting Updated Appraisals</label>
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other real estate owned measured at fair value less costs to sell</label>
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedMeasuredAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Real Estate Owned Measured At Fair Value Net</label>
    <label xml:lang="en-US" xlink:label="fmnb_WriteDownOfOtherRealEstateOwned_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Write down of other real estate owned</label>
    <label xml:lang="en-US" xlink:label="fmnb_WriteDownOfOtherRealEstateOwned_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Write Down Of Other Real Estate Owned</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketApproachValuationTechniqueMember" xlink:type="locator" xlink:label="us-gaap_MarketApproachValuationTechniqueMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales Comparison Valuation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketApproachValuationTechniqueMember" xlink:to="us-gaap_MarketApproachValuationTechniqueMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Market Approach Valuation Technique [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageMember" xlink:type="locator" xlink:label="us-gaap_WeightedAverageMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageMember" xlink:to="us-gaap_WeightedAverageMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_WeightedAverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember" xlink:type="locator" xlink:label="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember" />
    <label xml:lang="en-US" xlink:label="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Quoted price for loan relationship market approach valuation technique.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember" xlink:to="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quoted price for loan relationship</label>
    <label xml:lang="en-US" xlink:label="fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Quoted Price For Loan Relationship Market Approach Valuation Technique [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_OtherRealEstateOwnedResidentialMember" xlink:type="locator" xlink:label="fmnb_OtherRealEstateOwnedResidentialMember" />
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other real estate owned residential.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_OtherRealEstateOwnedResidentialMember" xlink:to="fmnb_OtherRealEstateOwnedResidentialMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Real Estate Owned Residential</label>
    <label xml:lang="en-US" xlink:label="fmnb_OtherRealEstateOwnedResidentialMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Real Estate Owned Residential [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract" xlink:type="locator" xlink:label="us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value measurements for financial instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assumptions And Methodology For Assets And Liabilities [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsValuationTechniques" xlink:type="locator" xlink:label="us-gaap_FairValueMeasurementsValuationTechniques" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsValuationTechniques_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements Valuation Technique(s) Description</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsValuationTechniques" xlink:to="us-gaap_FairValueMeasurementsValuationTechniques_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsValuationTechniques_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements Valuation Techniques</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsComparabilityAdjustments" xlink:type="locator" xlink:label="us-gaap_FairValueInputsComparabilityAdjustments" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsComparabilityAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustment for differences between earning multiplier and comparable sales, Percent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsComparabilityAdjustments" xlink:to="us-gaap_FairValueInputsComparabilityAdjustments_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsComparabilityAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Comparability Adjustments</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Level 1</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Level 2</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Level 3</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financial assets</label>
    <label xml:lang="en-US" xlink:label="us-gaap_CashCashEquivalentsAndFederalFundsSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents, Carrying Amount</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:type="locator" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" />
    <label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted stock, Carrying Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans held for sale, Carrying Amount</label>
    <label xml:lang="en-US" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans, net, Carrying Amount</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestReceivable" xlink:type="locator" xlink:label="us-gaap_InterestReceivable" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest receivable, Carrying Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivable" xlink:to="us-gaap_InterestReceivable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</label>
    <label xml:lang="en-US" xlink:label="us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financial liabilities</label>
    <label xml:lang="en-US" xlink:label="us-gaap_Deposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits, Carrying Amount</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term borrowings, Carrying Amount</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:type="locator" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable, Carrying Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrentAndNoncurrent" xlink:to="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable Current And Noncurrent</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue" xlink:type="locator" xlink:label="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue" />
    <label xml:lang="en-US" xlink:label="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash cash equivalents and federal funds sold fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue" xlink:to="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_RestrictedStockFairValue" xlink:type="locator" xlink:label="fmnb_RestrictedStockFairValue" />
    <label xml:lang="en-US" xlink:label="fmnb_RestrictedStockFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Restricted stock fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_RestrictedStockFairValue" xlink:to="fmnb_RestrictedStockFairValue_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AccruedInterestReceivableFairValue" xlink:type="locator" xlink:label="fmnb_AccruedInterestReceivableFairValue" />
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestReceivableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest receivable fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AccruedInterestReceivableFairValue" xlink:to="fmnb_AccruedInterestReceivableFairValue_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AccruedInterestPayableFairValue" xlink:type="locator" xlink:label="fmnb_AccruedInterestPayableFairValue" />
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestPayableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest payable fair value.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AccruedInterestPayableFairValue" xlink:to="fmnb_AccruedInterestPayableFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents, Fair Value</label>
    <label xml:lang="en-US" xlink:label="fmnb_CashCashEquivalentsAndFederalFundsSoldFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash Cash Equivalents And Federal Funds Sold Fair Value</label>
    <label xml:lang="en-US" xlink:label="fmnb_RestrictedStockFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted stock, Fair Value</label>
    <label xml:lang="en-US" xlink:label="fmnb_RestrictedStockFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_LoansHeldForSaleFairValueDisclosure" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansHeldForSaleFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans held for sale, Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:to="us-gaap_LoansHeldForSaleFairValueDisclosure_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansHeldForSaleFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Held For Sale Fair Value Disclosure</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_LoansReceivableFairValueDisclosure" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, net, Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansReceivableFairValueDisclosure" xlink:to="us-gaap_LoansReceivableFairValueDisclosure_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable Fair Value Disclosure</label>
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestReceivableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest receivable, Fair Value</label>
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestReceivableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest Receivable Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_DepositsFairValueDisclosure" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepositsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deposits, Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsFairValueDisclosure" xlink:to="us-gaap_DepositsFairValueDisclosure_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepositsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deposits Fair Value Disclosure</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShorttermDebtFairValue" xlink:type="locator" xlink:label="us-gaap_ShorttermDebtFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings, Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShorttermDebtFairValue" xlink:to="us-gaap_ShorttermDebtFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Shortterm Debt Fair Value</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:type="locator" xlink:label="us-gaap_LongTermDebtFairValue" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings, Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtFairValue" xlink:to="us-gaap_LongTermDebtFairValue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Fair Value</label>
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestPayableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable, Fair value</label>
    <label xml:lang="en-US" xlink:label="fmnb_AccruedInterestPayableFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest Payable Fair Value</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaximumMaturityPeriodOfShortTermBorrowings" xlink:type="locator" xlink:label="fmnb_MaximumMaturityPeriodOfShortTermBorrowings" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumMaturityPeriodOfShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum maturity period of short term borrowings.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaximumMaturityPeriodOfShortTermBorrowings" xlink:to="fmnb_MaximumMaturityPeriodOfShortTermBorrowings_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumMaturityPeriodOfShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum maturity period of short term borrowings</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumMaturityPeriodOfShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Maturity Period Of Short Term Borrowings</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Property Plant And Equipment [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Property Plant And Equipment [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandMember" xlink:type="locator" xlink:label="us-gaap_LandMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_LandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Land</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandMember" xlink:to="us-gaap_LandMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LandMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Land [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:type="locator" xlink:label="us-gaap_LeaseholdImprovementsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leasehold Improvements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsMember" xlink:to="us-gaap_LeaseholdImprovementsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Leasehold Improvements [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property Plant And Equipment [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Net By Type [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and equipment, gross</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Gross</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less accumulated depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation Depletion And Amortization Property Plant And Equipment</label>
    <label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET BOOK VALUE</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PremisesAndEquipmentTextualAbstract" xlink:type="locator" xlink:label="fmnb_PremisesAndEquipmentTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_PremisesAndEquipmentTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Premises and Equipment (Textual) [Abstract].</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PremisesAndEquipmentTextualAbstract" xlink:to="fmnb_PremisesAndEquipmentTextualAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MonitorAcquisitionMember" xlink:type="locator" xlink:label="fmnb_MonitorAcquisitionMember" />
    <label xml:lang="en-US" xlink:label="fmnb_MonitorAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Monitor acquisition.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MonitorAcquisitionMember" xlink:to="fmnb_MonitorAcquisitionMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MonitorAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Monitor acquisition</label>
    <label xml:lang="en-US" xlink:label="fmnb_MonitorAcquisitionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Monitor Acquisition [Member]</label>
    <label xml:lang="en-US" xlink:label="fmnb_PremisesAndEquipmentTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premises and Equipment (Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_PremisesAndEquipmentTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Premises And Equipment Textual [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationNonproduction" xlink:type="locator" xlink:label="us-gaap_DepreciationNonproduction" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationNonproduction_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationNonproduction" xlink:to="us-gaap_DepreciationNonproduction_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationNonproduction_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation Nonproduction</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfAdditionalLocationServedByBank" xlink:type="locator" xlink:label="fmnb_NumberOfAdditionalLocationServedByBank" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfAdditionalLocationServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of additional location served by bank.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfAdditionalLocationServedByBank" xlink:to="fmnb_NumberOfAdditionalLocationServedByBank_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfNewLocationsAddedByBank" xlink:type="locator" xlink:label="fmnb_NumberOfNewLocationsAddedByBank" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfNewLocationsAddedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of new locations added by bank.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfNewLocationsAddedByBank" xlink:to="fmnb_NumberOfNewLocationsAddedByBank_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfAdditionalLocationServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of additional location served by bank</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfAdditionalLocationServedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Additional Location Served By Bank</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfNewLocationsAddedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of new locations added by bank</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfNewLocationsAddedByBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of New Locations Added By Bank</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesRentExpenseMinimumRentals" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesRentExpenseMinimumRentals" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesRentExpenseMinimumRentals_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rent expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesRentExpenseMinimumRentals" xlink:to="us-gaap_OperatingLeasesRentExpenseMinimumRentals_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesRentExpenseMinimumRentals_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Rent Expense Minimum Rentals</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rent commitments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due Current</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due In Two Years</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due In Three Years</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due In Four Years</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due In Five Years</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due Thereafter</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:type="locator" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Leases Future Minimum Payments Due</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_GoodwillAndIntangibleAssetsLineItems" xlink:type="locator" xlink:label="fmnb_GoodwillAndIntangibleAssetsLineItems" />
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Goodwill and Intangible Assets Line Items.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_GoodwillAndIntangibleAssetsLineItems" xlink:to="fmnb_GoodwillAndIntangibleAssetsLineItems_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_GoodwillAndIntangibleAssetsTable" xlink:type="locator" xlink:label="fmnb_GoodwillAndIntangibleAssetsTable" />
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Goodwill and Intangible Assets Table.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_GoodwillAndIntangibleAssetsTable" xlink:to="fmnb_GoodwillAndIntangibleAssetsTable_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill And Intangible Assets [Table]</label>
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill And Intangible Assets [Table]</label>
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill And Intangible Assets [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_GoodwillAndIntangibleAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill And Intangible Assets [Line Items]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_Goodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel">Goodwill associated with the Company&apos;s recent purchase and other past acquisitions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:to="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:type="locator" xlink:label="us-gaap_NoncompeteAgreementsMember" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Carrying Amount</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accumulated Amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite Lived Intangible Assets Future Amortization Expense [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Future Amortization Expense [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Next Twelve Months</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Two</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Three</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Five</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" />
    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_InterestBearingDepositsTextualAbstract" xlink:type="locator" xlink:label="fmnb_InterestBearingDepositsTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_InterestBearingDepositsTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest Bearing Deposits (Textual) [Abstract]</label>
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    <label xml:lang="en-US" xlink:label="fmnb_MinimumTimeDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum time deposits.</label>
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    <label xml:lang="en-US" xlink:label="fmnb_MinimumTimeDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum time deposits amount</label>
    <label xml:lang="en-US" xlink:label="fmnb_MinimumTimeDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Time Deposits</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDeposits100000OrMore" xlink:type="locator" xlink:label="us-gaap_TimeDeposits100000OrMore" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDeposits100000OrMore_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time deposits of $100 thousand or more</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Assets Sold Under Agreements To Repurchase [Table]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:type="locator" xlink:label="us-gaap_CertificatesOfDepositMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_CertificatesOfDepositMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Certificates of Deposit</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_CertificatesOfDepositMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Certificates Of Deposit [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" xlink:type="locator" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets Sold Under Agreements To Repurchase [Line Items]</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositsByMaturityAbstract" xlink:type="locator" xlink:label="us-gaap_TimeDepositsByMaturityAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositsByMaturityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of scheduled maturities of certificates of deposit</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositsByMaturityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits By Maturity [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearOne" xlink:type="locator" xlink:label="us-gaap_TimeDepositMaturitiesYearOne" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearOne_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearOne_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities Year One</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearTwo" xlink:type="locator" xlink:label="us-gaap_TimeDepositMaturitiesYearTwo" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDepositMaturitiesYearTwo" xlink:to="us-gaap_TimeDepositMaturitiesYearTwo_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities Year Two</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearThree" xlink:type="locator" xlink:label="us-gaap_TimeDepositMaturitiesYearThree" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDepositMaturitiesYearThree" xlink:to="us-gaap_TimeDepositMaturitiesYearThree_lbl" />
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities Year Four</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearFive" xlink:type="locator" xlink:label="us-gaap_TimeDepositMaturitiesYearFive" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities Year Five</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesAfterYearFive" xlink:type="locator" xlink:label="us-gaap_TimeDepositMaturitiesAfterYearFive" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDepositMaturitiesAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposit Maturities After Year Five</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDeposits" xlink:type="locator" xlink:label="us-gaap_TimeDeposits" />
    <label xml:lang="en-US" xlink:label="us-gaap_TimeDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_TimeDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Deposits</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract" xlink:type="locator" xlink:label="us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of year-end interest bearing deposits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract" xlink:to="us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Deposit Liabilities Domestic By Component [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositDemand" xlink:type="locator" xlink:label="us-gaap_InterestBearingDomesticDepositDemand" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositDemand_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Demand</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDomesticDepositDemand" xlink:to="us-gaap_InterestBearingDomesticDepositDemand_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositDemand_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Domestic Deposit Demand</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositMoneyMarket" xlink:type="locator" xlink:label="us-gaap_InterestBearingDomesticDepositMoneyMarket" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositMoneyMarket_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDomesticDepositMoneyMarket" xlink:to="us-gaap_InterestBearingDomesticDepositMoneyMarket_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositMoneyMarket_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Domestic Deposit Money Market</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositSavings" xlink:type="locator" xlink:label="us-gaap_InterestBearingDomesticDepositSavings" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositSavings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Savings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDomesticDepositSavings" xlink:to="us-gaap_InterestBearingDomesticDepositSavings_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositSavings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Domestic Deposit Savings</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits" xlink:type="locator" xlink:label="us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Certificates of Deposit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits" xlink:to="us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Bearing Domestic Deposit Certificates Of Deposits</label>
    <label xml:lang="en-US" xlink:label="us-gaap_InterestBearingDepositLiabilities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfRepurchaseAgreementsAbstract" xlink:type="locator" xlink:label="us-gaap_DisclosureOfRepurchaseAgreementsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_DisclosureOfRepurchaseAgreementsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Of Repurchase Agreements [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfRepurchaseAgreementsAbstract" xlink:to="us-gaap_DisclosureOfRepurchaseAgreementsAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_RepurchaseAdvanceMember" xlink:type="locator" xlink:label="fmnb_RepurchaseAdvanceMember" />
    <label xml:lang="en-US" xlink:label="fmnb_RepurchaseAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase Advance.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_RepurchaseAdvanceMember" xlink:to="fmnb_RepurchaseAdvanceMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_RepurchaseAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase advance</label>
    <label xml:lang="en-US" xlink:label="fmnb_RepurchaseAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Advance [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FixedRateAdvancesMember" xlink:type="locator" xlink:label="fmnb_FixedRateAdvancesMember" />
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateAdvancesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed rate advances.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FixedRateAdvancesMember" xlink:to="fmnb_FixedRateAdvancesMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateAdvancesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed rate advances</label>
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateAdvancesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Rate Advances [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CashManagementAdvanceMember" xlink:type="locator" xlink:label="fmnb_CashManagementAdvanceMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CashManagementAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash management advance.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CashManagementAdvanceMember" xlink:to="fmnb_CashManagementAdvanceMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_CashManagementAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash management advance</label>
    <label xml:lang="en-US" xlink:label="fmnb_CashManagementAdvanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash Management Advance [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:type="locator" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks" />
    <label xml:lang="en-US" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of Advances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:to="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Advances From Federal Home Loan Banks</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Interest Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateAtPeriodEnd_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances General Debt Obligations Disclosures Interest Rate At Period End</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Home Loan Bank interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Branch Of F H L B Bank Interest Rate</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances" xlink:type="locator" xlink:label="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances" />
    <label xml:lang="en-US" xlink:label="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Pledged securities, percentage of repurchase agreement balances.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances" xlink:to="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line Of Credit Facility [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USTreasuryAndGovernmentShorttermDebtSecuritiesMember" xlink:type="locator" xlink:label="us-gaap_USTreasuryAndGovernmentShorttermDebtSecuritiesMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_USTreasuryAndGovernmentShorttermDebtSecuritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">US Treasury and Government Short-term Debt Securities</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:type="locator" xlink:label="us-gaap_CreditFacilityAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:type="locator" xlink:label="us-gaap_CreditFacilityDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DomesticLineOfCreditMember" xlink:type="locator" xlink:label="us-gaap_DomesticLineOfCreditMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_DomesticLineOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Domestic Line of Credit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticLineOfCreditMember" xlink:to="us-gaap_DomesticLineOfCreditMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DomesticLineOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Domestic Line Of Credit [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesAxis" xlink:type="locator" xlink:label="us-gaap_ConsolidatedEntitiesAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedEntitiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidatedEntitiesAxis" xlink:to="us-gaap_ConsolidatedEntitiesAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedEntitiesAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesDomain" xlink:type="locator" xlink:label="us-gaap_ConsolidatedEntitiesDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedEntitiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidatedEntitiesDomain" xlink:to="us-gaap_ConsolidatedEntitiesDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidatedEntitiesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ParentCompanyMember" xlink:type="locator" xlink:label="us-gaap_ParentCompanyMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_ParentCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Farmers National Banc Corp</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentCompanyMember" xlink:to="us-gaap_ParentCompanyMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ParentCompanyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Parent Company [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:type="locator" xlink:label="us-gaap_RevolvingCreditFacilityMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevolvingCreditFacilityMember" xlink:to="us-gaap_RevolvingCreditFacilityMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:type="locator" xlink:label="us-gaap_LetterOfCreditMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter of Credit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LetterOfCreditMember" xlink:to="us-gaap_LetterOfCreditMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Letter Of Credit [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:type="locator" xlink:label="us-gaap_UnsecuredDebtMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnsecuredDebtMember" xlink:to="us-gaap_UnsecuredDebtMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line Of Credit Facility [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged securities, percentage of repurchase agreement balances</label>
    <label xml:lang="en-US" xlink:label="fmnb_PledgedSecuritiesPercentageOfRepurchaseAgreementBalances_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Securities Percentage Of Repurchase Agreement Balances</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:type="locator" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" />
    <label xml:lang="en-US" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying amount of securities sold under repurchase agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:to="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaturityPeriodOfRepurchaseAgreement" xlink:type="locator" xlink:label="fmnb_MaturityPeriodOfRepurchaseAgreement" />
    <label xml:lang="en-US" xlink:label="fmnb_MaturityPeriodOfRepurchaseAgreement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maturity period of repurchase agreement.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaturityPeriodOfRepurchaseAgreement" xlink:to="fmnb_MaturityPeriodOfRepurchaseAgreement_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MaturityPeriodOfRepurchaseAgreement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity of repurchase agreements</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaturityPeriodOfRepurchaseAgreement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maturity Period Of Repurchase Agreement</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear" xlink:type="locator" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear" />
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Assets sold under agreements to repurchase average during year.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear" xlink:to="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear" xlink:type="locator" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear" />
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Assets sold under agreements to repurchase average interest rate during year.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear" xlink:to="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear" xlink:type="locator" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear" />
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Assets sold under agreements to repurchase maximum month end during year.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear" xlink:to="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate" xlink:type="locator" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate" />
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Assets sold under agreements to repurchase weighted average year end interest rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate" xlink:to="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract" xlink:type="locator" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of securities sold under agreements to repurchase.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract" xlink:to="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of securities sold under agreements to repurchase</label>
    <label xml:lang="en-US" xlink:label="fmnb_SummaryOfSecuritiesSoldUnderAgreementsToRepurchaseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Securities Sold Under Agreements To Repurchase [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average balance during the year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase Average During Year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average interest rate during the year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase Average Interest Rate During Year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum month-end balance during the year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase Maximum Month End During Year</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average year-end interest rate</label>
    <label xml:lang="en-US" xlink:label="fmnb_AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase Weighted Average Year End Interest Rate</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts" xlink:type="locator" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts" />
    <label xml:lang="en-US" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance at year-end</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts" xlink:to="us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Sold Under Agreements To Repurchase Carrying Amounts</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepurchaseAgreementsMember" xlink:type="locator" xlink:label="us-gaap_RepurchaseAgreementsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_RepurchaseAgreementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepurchaseAgreementsMember" xlink:to="us-gaap_RepurchaseAgreementsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RepurchaseAgreementsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreements [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtTypeDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeDomain" xlink:to="us-gaap_ShortTermDebtTypeDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Type [Domain]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel">Total borrowings</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NumberOfDomesticBank" xlink:type="locator" xlink:label="fmnb_NumberOfDomesticBank" />
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfDomesticBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of domestic bank.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NumberOfDomesticBank" xlink:to="fmnb_NumberOfDomesticBank_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Access to lines of credit at domestic banks</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Maximum Borrowing Capacity</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfDomesticBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of domestic banks</label>
    <label xml:lang="en-US" xlink:label="fmnb_NumberOfDomesticBank_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Domestic Bank</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:type="locator" xlink:label="us-gaap_LineOfCredit" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured revolving line of credit, outstanding balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LineOfCredit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract" xlink:type="locator" xlink:label="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities Sold under Agreements to Repurchase and Other Short Term Borrowings (Additional Textual) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract" xlink:to="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt Instrument, Interest Rate, Stated Percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Interest Rate Stated Percentage</label>
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Sold under Agreements to Repurchase and Other Short Term Borrowings (Additional Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_SecuritiesSoldUnderAgreementsToRepurchaseAndOtherShortTermBorrowingsAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Sold Under Agreements To Repurchase And Other Short Term Borrowings Additional Textual [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate, effective percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Interest Rate Effective Percentage</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FederalHomeLoanBankAdvancesBranchOfFHLBAbstract" xlink:type="locator" xlink:label="fmnb_FederalHomeLoanBankAdvancesBranchOfFHLBAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_FederalHomeLoanBankAdvancesBranchOfFHLBAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal home loan bank advances branch of FHLB.</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BankingAndThriftAbstract" xlink:type="locator" xlink:label="us-gaap_BankingAndThriftAbstract" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_FixedRateConstantPaymentAdvancesMember" xlink:type="locator" xlink:label="fmnb_FixedRateConstantPaymentAdvancesMember" />
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateConstantPaymentAdvancesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed rate constant payment advances.</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesLineItems" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesLineItems" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesLineItems" xlink:to="us-gaap_FederalHomeLoanBankAdvancesLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_FederalHomeLoanBankAdvancesBranchOfFHLBAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of long-term advances from the Federal Home Loan Bank</label>
    <label xml:lang="en-US" xlink:label="fmnb_FederalHomeLoanBankAdvancesBranchOfFHLBAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Branch Of F H L B [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:type="locator" xlink:label="us-gaap_LongTermDebtAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAbstract" xlink:to="us-gaap_LongTermDebtAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt [Abstract]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge" xlink:type="locator" xlink:label="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge" />
    <label xml:lang="en-US" xlink:label="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional federal home loan bank advances to be borrow under collateral pledge.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge" xlink:to="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential mortgage loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1</label>
    <label xml:lang="en-US" xlink:label="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional borrowing limit</label>
    <label xml:lang="en-US" xlink:label="fmnb_AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additional Federal Home Loan Bank Advances To Be Borrow Under Collateral Pledge</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturing in:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" xlink:type="locator" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate" />
    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date</label>
    <label xml:lang="en-US" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermInvestments" xlink:type="locator" xlink:label="us-gaap_LongTermInvestments" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term investments</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:type="locator" xlink:label="us-gaap_LongTermDebtPercentageBearingVariableInterestRate" />
    <label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtPercentageBearingVariableInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentMaturityDate" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract" xlink:type="locator" xlink:label="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value off balance sheet risks disclosure information.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract" xlink:to="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommitmentsAndUnusedLinesOfCreditMember" xlink:type="locator" xlink:label="fmnb_CommitmentsAndUnusedLinesOfCreditMember" />
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndUnusedLinesOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and unused lines of credit.</label>
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    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndUnusedLinesOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Unused Lines of Credit</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndUnusedLinesOfCreditMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Unused Lines Of Credit [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FixedRateMember" xlink:type="locator" xlink:label="fmnb_FixedRateMember" />
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FixedRateMember" xlink:to="fmnb_FixedRateMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed Rate</label>
    <label xml:lang="en-US" xlink:label="fmnb_FixedRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Rate [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_VariableRateMember" xlink:type="locator" xlink:label="fmnb_VariableRateMember" />
    <label xml:lang="en-US" xlink:label="fmnb_VariableRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Variable rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_VariableRateMember" xlink:to="fmnb_VariableRateMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_VariableRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</label>
    <label xml:lang="en-US" xlink:label="fmnb_VariableRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:to="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">The contractual amounts of financial instruments with off-balance-sheet risk at year end</label>
    <label xml:lang="en-US" xlink:label="fmnb_FairValueOffBalanceSheetRisksDisclosureInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Off Balance Sheet Risks Disclosure Information [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability" xlink:type="locator" xlink:label="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total contractual amounts of financial instruments with off-balance-sheet risk</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability" xlink:to="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosure Offbalance Sheet Risks Amount Liability</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaximumCommitmentPeriodToMakeLoans" xlink:type="locator" xlink:label="fmnb_MaximumCommitmentPeriodToMakeLoans" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCommitmentPeriodToMakeLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum commitment period to make loans.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaximumCommitmentPeriodToMakeLoans" xlink:to="fmnb_MaximumCommitmentPeriodToMakeLoans_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract" xlink:type="locator" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and Contingent Liabilities (Additional Textual) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract" xlink:to="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract" xlink:type="locator" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitments and Contingent Liabilities (Textual) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract" xlink:to="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DebtInstrumentVariableInterestRate" xlink:type="locator" xlink:label="fmnb_DebtInstrumentVariableInterestRate" />
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentVariableInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument variable interest rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DebtInstrumentVariableInterestRate" xlink:to="fmnb_DebtInstrumentVariableInterestRate_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoanOriginationCommitmentsMember" xlink:type="locator" xlink:label="us-gaap_LoanOriginationCommitmentsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanOriginationCommitmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments to make loans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanOriginationCommitmentsMember" xlink:to="us-gaap_LoanOriginationCommitmentsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LoanOriginationCommitmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Origination Commitments [Member]</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitments and Contingent Liabilities (Additional Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingent Liabilities Additional Textual [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCommitmentPeriodToMakeLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Maximum commitment period to make loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCommitmentPeriodToMakeLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Commitment Period To Make Loans</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitments and Contingent Liabilities (Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_CommitmentsAndContingentLiabilitiesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Commitments And Contingent Liabilities Textual [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentVariableInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Variable Interest Rate Percentage</label>
    <label xml:lang="en-US" xlink:label="fmnb_DebtInstrumentVariableInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Variable Interest Rate</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTerm" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fixed rate loan commitments maturity range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTerm" xlink:to="us-gaap_DebtInstrumentTerm_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Term</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_StandbyLettersOfCreditContractualAmount" xlink:type="locator" xlink:label="fmnb_StandbyLettersOfCreditContractualAmount" />
    <label xml:lang="en-US" xlink:label="fmnb_StandbyLettersOfCreditContractualAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Standby letters of credit contractual amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_StandbyLettersOfCreditContractualAmount" xlink:to="fmnb_StandbyLettersOfCreditContractualAmount_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_StandbyLettersOfCreditContractualAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Standby letters of credit contractual value</label>
    <label xml:lang="en-US" xlink:label="fmnb_StandbyLettersOfCreditContractualAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Standby Letters Of Credit Contractual Amount</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds" xlink:type="locator" xlink:label="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum subscription amount committed in SBIC investment funds.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds" xlink:to="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum subscription amount committed in SBIC investment funds</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumSubscriptionAmountCommittedInSBICInvestmentFunds_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Subscription Amount Committed In S B I C Investment Funds</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireInvestments" />
    <label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment in SBIC funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireInvestments" xlink:to="us-gaap_PaymentsToAcquireInvestments_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Acquire Investments</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameAxis" xlink:type="locator" xlink:label="us-gaap_PlanNameAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameDomain" xlink:type="locator" xlink:label="us-gaap_PlanNameDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TwoThousandAndSeventeenIncentivePlanMember" xlink:type="locator" xlink:label="fmnb_TwoThousandAndSeventeenIncentivePlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndSeventeenIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and seventeen incentive plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TwoThousandAndSeventeenIncentivePlanMember" xlink:to="fmnb_TwoThousandAndSeventeenIncentivePlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndSeventeenIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2017 Incentive Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndSeventeenIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Seventeen Incentive Plan [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:type="locator" xlink:label="us-gaap_AwardTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Award</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember" xlink:type="locator" xlink:label="us-gaap_RestrictedStockMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Stock Awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TimeBasedRestrictedStockAwardsMember" xlink:type="locator" xlink:label="fmnb_TimeBasedRestrictedStockAwardsMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TimeBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Time based award restricted stock awards.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TimeBasedRestrictedStockAwardsMember" xlink:to="fmnb_TimeBasedRestrictedStockAwardsMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TimeBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time Based Restricted Stock Awards</label>
    <label xml:lang="en-US" xlink:label="fmnb_TimeBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Time Based Restricted Stock Awards [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PerformanceBasedRestrictedStockAwardsMember" xlink:type="locator" xlink:label="fmnb_PerformanceBasedRestrictedStockAwardsMember" />
    <label xml:lang="en-US" xlink:label="fmnb_PerformanceBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance based restricted stock awards.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PerformanceBasedRestrictedStockAwardsMember" xlink:to="fmnb_PerformanceBasedRestrictedStockAwardsMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_PerformanceBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Based Restricted Stock Awards</label>
    <label xml:lang="en-US" xlink:label="fmnb_PerformanceBasedRestrictedStockAwardsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Performance Based Restricted Stock Awards [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TwoThousandAndTwelveIncentivePlanMember" xlink:type="locator" xlink:label="fmnb_TwoThousandAndTwelveIncentivePlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand and twelve incentive plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TwoThousandAndTwelveIncentivePlanMember" xlink:to="fmnb_TwoThousandAndTwelveIncentivePlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2012 Incentive Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_TwoThousandAndTwelveIncentivePlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twelve Incentive Plan [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:to="us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_RegulatoryMattersAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Regulatory Matters (Additional Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_RegulatoryMattersAdditionalTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Regulatory Matters Additional Textual [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common equity tier 1 capital to risk-weighted assets, capital conservation buffer ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 capital to risk-weighted assets, capital conservation buffer ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total capital to risk-weighted assets, capital conservation buffer ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital conservation buffer ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalConservationBufferRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Conservation Buffer Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalConservationBufferAdditionalCapitalAmountRequired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital conservation buffer, additional capital amount required</label>
    <label xml:lang="en-US" xlink:label="fmnb_CapitalConservationBufferAdditionalCapitalAmountRequired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Conservation Buffer Additional Capital Amount Required</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum ratio of common equity tier 1 capital to risk-weighted assets</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum ratio of tier 1 capital to risk-weighted assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum ratio of total capital to risk-weighted assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required For Capital Adequacy To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum leverage ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:to="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital Required For Capital Adequacy To Average Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumNetCapitalRequiredForEntity1" xlink:type="locator" xlink:label="us-gaap_MinimumNetCapitalRequiredForEntity1" />
    <label xml:lang="en-US" xlink:label="us-gaap_MinimumNetCapitalRequiredForEntity1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum capital maintained by trust</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumNetCapitalRequiredForEntity1" xlink:to="us-gaap_MinimumNetCapitalRequiredForEntity1_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_MinimumNetCapitalRequiredForEntity1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Net Capital Required For Entity1</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval" xlink:type="locator" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends that can be declared without prior approval</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval" xlink:to="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneCommonCapitalRatioAbstract" xlink:type="locator" xlink:label="fmnb_TierOneCommonCapitalRatioAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatioAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one common capital ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneCommonCapitalRatioAbstract" xlink:to="fmnb_TierOneCommonCapitalRatioAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneCommonCapital" xlink:type="locator" xlink:label="fmnb_TierOneCommonCapital" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one common capital.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneCommonCapital" xlink:to="fmnb_TierOneCommonCapital_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneCommonCapitalRatio" xlink:type="locator" xlink:label="fmnb_TierOneCommonCapitalRatio" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one common capital ratio.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneCommonCapitalRatio" xlink:to="fmnb_TierOneCommonCapitalRatio_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy" xlink:type="locator" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one common capital required for capital adequacy.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy" xlink:to="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized" xlink:type="locator" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one risk based common capital required to be well capitalized.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized" xlink:to="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:type="locator" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tier one common capital required to be well capitalized to risk weighted assets.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatioAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common equity tier 1 capital ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatioAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Common Capital Ratio [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Amount</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Common Capital</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneCommonCapitalRatio_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Common Capital Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Requirement for Capital Adequacy Purposes, Amount</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Common Capital Required For Capital Adequacy</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Requirement for Capital Adequacy Purposes, Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Amount</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Common Capital Required To Be Well Capitalized</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Ratio</label>
    <label xml:lang="en-US" xlink:label="fmnb_TierOneRiskBasedCommonCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Common Capital Required To Be Well Capitalized To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalAbstract" xlink:type="locator" xlink:label="us-gaap_CapitalAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total risk based capital ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalAbstract" xlink:to="us-gaap_CapitalAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Capital" xlink:type="locator" xlink:label="us-gaap_Capital" />
    <label xml:lang="en-US" xlink:label="us-gaap_Capital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Capital" xlink:to="us-gaap_Capital_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Capital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_CapitalToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalToRiskWeightedAssets" xlink:to="us-gaap_CapitalToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacy" xlink:type="locator" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Requirement for Capital Adequacy Purposes, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredForCapitalAdequacy" xlink:to="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required For Capital Adequacy</label>
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Requirement for Capital Adequacy Purposes, Ratio</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalized" xlink:type="locator" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required To Be Well Capitalized</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Required To Be Well Capitalized To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalAbstract" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 risk based capital ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalAbstract" xlink:to="us-gaap_TierOneRiskBasedCapitalAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapital" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapital" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapital" xlink:to="us-gaap_TierOneRiskBasedCapital_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Requirement for Capital Adequacy Purposes, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital Required For Capital Adequacy</label>
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Requirement for Capital Adequacy Purposes, Ratio</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital Required To Be Well Capitalized</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:type="locator" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalAbstract" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tier 1 leverage ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalAbstract" xlink:to="us-gaap_TierOneLeverageCapitalAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapital" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapital" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapital" xlink:to="us-gaap_TierOneLeverageCapital_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapital_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Actual, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:to="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital To Average Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Requirement for Capital Adequacy Purposes, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:to="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital Required For Capital Adequacy</label>
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Requirement for Capital Adequacy Purposes, Ratio</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital Required To Be Well Capitalized</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:type="locator" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">To be Well Capitalized Under Prompt Corrective Action Provisions, Ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:to="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tier One Leverage Capital Required To Be Well Capitalized To Average Assets</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan" xlink:type="locator" xlink:label="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan" />
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum completed service period for participation under savings plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan" xlink:to="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Defined Benefit Plans Disclosures [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Defined Benefit Plans Disclosures [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:type="locator" xlink:label="us-gaap_RetirementPlanTypeAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retirement Plan Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetirementPlanTypeAxis" xlink:to="us-gaap_RetirementPlanTypeAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Plan Type [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:type="locator" xlink:label="us-gaap_RetirementPlanTypeDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retirement Plan Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetirementPlanTypeDomain" xlink:to="us-gaap_RetirementPlanTypeDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Plan Type [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_RetirementSavingsPlanMember" xlink:type="locator" xlink:label="fmnb_RetirementSavingsPlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_RetirementSavingsPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Retirement savings plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_RetirementSavingsPlanMember" xlink:to="fmnb_RetirementSavingsPlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_RetirementSavingsPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retirement Savings Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_RetirementSavingsPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Savings Plan [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_ProfitSharingPlanMember" xlink:type="locator" xlink:label="fmnb_ProfitSharingPlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_ProfitSharingPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Profit sharing plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_ProfitSharingPlanMember" xlink:to="fmnb_ProfitSharingPlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_ProfitSharingPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Profit Sharing Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_ProfitSharingPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Profit Sharing Plan [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DeferredCompensationPlanMember" xlink:type="locator" xlink:label="fmnb_DeferredCompensationPlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_DeferredCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred compensation plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DeferredCompensationPlanMember" xlink:to="fmnb_DeferredCompensationPlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_DeferredCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Compensation Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_DeferredCompensationPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Plan [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_EmployeeStockOwnershipPlanMember" xlink:type="locator" xlink:label="fmnb_EmployeeStockOwnershipPlanMember" />
    <label xml:lang="en-US" xlink:label="fmnb_EmployeeStockOwnershipPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee stock ownership plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_EmployeeStockOwnershipPlanMember" xlink:to="fmnb_EmployeeStockOwnershipPlanMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_EmployeeStockOwnershipPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ESOP</label>
    <label xml:lang="en-US" xlink:label="fmnb_EmployeeStockOwnershipPlanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Employee Stock Ownership Plan [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis" xlink:type="locator" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Arrangement With Individual Postretirement Benefits By Type Of Deferred Compensation [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain" xlink:type="locator" xlink:label="us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain" xlink:to="us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Postretirement Benefits Individual Contracts Type Of Deferred Compensation [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:type="locator" xlink:label="us-gaap_DefinedBenefitPostretirementHealthCoverageMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedBenefitPostretirementHealthCoverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined Benefit Postretirement Health Coverage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:to="us-gaap_DefinedBenefitPostretirementHealthCoverageMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedBenefitPostretirementHealthCoverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Defined Benefit Postretirement Health Coverage [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:type="locator" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Defined Benefit Plan Disclosure [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Defined Benefit Plan Disclosure [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employees who have completed no days of service</label>
    <label xml:lang="en-US" xlink:label="fmnb_MaximumCompletedServicePeriodForParticipationUnderSavingsPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Completed Service Period For Participation Under Savings Plan</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:type="locator" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of the participants&apos; voluntary contributions of gross wages</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Employer Matching Contribution Percent</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:type="locator" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitExpense" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Benefit) expense under the plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitExpense_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pension And Other Postretirement Benefit Expense</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:type="locator" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual compensation for associates, Percent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:to="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Defined Contribution Plan Maximum Annual Contributions Per Employee Percent</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:type="locator" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability under the Plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_DirectorAgeForAnnualRetirementBenefitPlan" xlink:type="locator" xlink:label="fmnb_DirectorAgeForAnnualRetirementBenefitPlan" />
    <label xml:lang="en-US" xlink:label="fmnb_DirectorAgeForAnnualRetirementBenefitPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Director age for annual retirement benefit plan.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_DirectorAgeForAnnualRetirementBenefitPlan" xlink:to="fmnb_DirectorAgeForAnnualRetirementBenefitPlan_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment" xlink:type="locator" xlink:label="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment" />
    <label xml:lang="en-US" xlink:label="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Pension and other postretirement maximum years for benefit payment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment" xlink:to="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationPlanAssets" xlink:type="locator" xlink:label="us-gaap_DeferredCompensationPlanAssets" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationPlanAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred compensation plan asset recorded</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationPlanAssets" xlink:to="us-gaap_DeferredCompensationPlanAssets_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationPlanAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Plan Assets</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:type="locator" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred compensation plan liability recorded</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Arrangement With Individual Recorded Liability</label>
    <label xml:lang="en-US" xlink:label="fmnb_DirectorAgeForAnnualRetirementBenefitPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Director age for eligibility for annual retirement benefit plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_DirectorAgeForAnnualRetirementBenefitPlan_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Director Age For Annual Retirement Benefit Plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum years for benefit payment under the plan</label>
    <label xml:lang="en-US" xlink:label="fmnb_PensionAndOtherPostretirementMaximumYearsForBenefitPayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pension And Other Postretirement Maximum Years For Benefit Payment</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:type="locator" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitContributions" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions to the plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitContributions" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitContributions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pension And Other Postretirement Benefit Contributions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesHeldInEmployeeTrustShares" xlink:type="locator" xlink:label="us-gaap_CommonStockSharesHeldInEmployeeTrustShares" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesHeldInEmployeeTrustShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares held in trust</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesHeldInEmployeeTrustShares" xlink:to="us-gaap_CommonStockSharesHeldInEmployeeTrustShares_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesHeldInEmployeeTrustShares_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Held In Employee Trust Shares</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent" xlink:type="locator" xlink:label="us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The accrued postretirement benefit liability due to termination of plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for income taxes (credit)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense Benefit Continuing Operations [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" />
    <label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense Benefit</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred expense (benefit)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense Benefit</label>
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTALS</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxesTextualAbstract" xlink:type="locator" xlink:label="fmnb_IncomeTaxesTextualAbstract" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Taxes (Textual) [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_IncomeTaxesTextualAbstract" xlink:to="fmnb_IncomeTaxesTextualAbstract_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxLineItems" xlink:type="locator" xlink:label="fmnb_IncomeTaxLineItems" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_IncomeTaxLineItems" xlink:to="fmnb_IncomeTaxLineItems_lbl" />
    <loc xlink:href="fmnb-20171231.xsd#fmnb_IncomeTaxTable" xlink:type="locator" xlink:label="fmnb_IncomeTaxTable" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_IncomeTaxTable" xlink:to="fmnb_IncomeTaxTable_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax [Table]</label>
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:type="locator" xlink:label="us-gaap_TaxPeriodAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodAxis" xlink:to="us-gaap_TaxPeriodAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:type="locator" xlink:label="us-gaap_TaxPeriodDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="us-gaap_TaxPeriodDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarliestTaxYearMember" xlink:type="locator" xlink:label="us-gaap_EarliestTaxYearMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_EarliestTaxYearMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earliest Tax Year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarliestTaxYearMember" xlink:to="us-gaap_EarliestTaxYearMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_EarliestTaxYearMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Earliest Tax Year [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LatestTaxYearMember" xlink:type="locator" xlink:label="us-gaap_LatestTaxYearMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_LatestTaxYearMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Latest Tax Year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LatestTaxYearMember" xlink:to="us-gaap_LatestTaxYearMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LatestTaxYearMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Latest Tax Year [Member]</label>
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax [Line Items]</label>
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes (Textual) [Abstract]</label>
    <label xml:lang="en-US" xlink:label="fmnb_IncomeTaxesTextualAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Textual [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="locator" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <label xml:lang="en-US" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal statutory income tax rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate</label>
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_DeferredTaxAssetsOtherThanTemporaryImpairment" xlink:type="locator" xlink:label="fmnb_DeferredTaxAssetsOtherThanTemporaryImpairment" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_DeferredTaxLiabilitiesDepreciationAndAmortization" xlink:type="locator" xlink:label="fmnb_DeferredTaxLiabilitiesDepreciationAndAmortization" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends" xlink:type="locator" xlink:label="fmnb_DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends" />
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    <loc xlink:href="fmnb-20171231.xsd#fmnb_DeferredTaxLiabilityPurchaseAccountingAdjustment" xlink:type="locator" xlink:label="fmnb_DeferredTaxLiabilityPurchaseAccountingAdjustment" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOtherComprehensiveLoss" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOtherComprehensiveLoss" />
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" />
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    <label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted stock</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" />
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    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeAverageRemainingMaturity1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Average Remaining Maturity1</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateDerivativesAtFairValueNet" xlink:type="locator" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of interest-rate swaps</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateDerivativesAtFairValueNet" xlink:to="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestRateDerivativesAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Derivatives At Fair Value Net</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:type="locator" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Gain or Loss recognized in earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeGainLossOnDerivativeNet" xlink:to="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Gain Loss On Derivative Net</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Segment Reporting Information By Segment [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Segment Reporting Information By Segment [Table]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:type="locator" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Business Segments [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:type="locator" xlink:label="us-gaap_SegmentDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_TrustSegmentMember" xlink:type="locator" xlink:label="fmnb_TrustSegmentMember" />
    <label xml:lang="en-US" xlink:label="fmnb_TrustSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Trust segment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_TrustSegmentMember" xlink:to="fmnb_TrustSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_TrustSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trust Segment</label>
    <label xml:lang="en-US" xlink:label="fmnb_TrustSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trust Segment [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_BankSegmentMember" xlink:type="locator" xlink:label="fmnb_BankSegmentMember" />
    <label xml:lang="en-US" xlink:label="fmnb_BankSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank segment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_BankSegmentMember" xlink:to="fmnb_BankSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_BankSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank Segment</label>
    <label xml:lang="en-US" xlink:label="fmnb_BankSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Bank Segment [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_RetirementConsultingSegmentMember" xlink:type="locator" xlink:label="fmnb_RetirementConsultingSegmentMember" />
    <label xml:lang="en-US" xlink:label="fmnb_RetirementConsultingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Retirement consulting segment.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_RetirementConsultingSegmentMember" xlink:to="fmnb_RetirementConsultingSegmentMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_RetirementConsultingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retirement Consulting Segment</label>
    <label xml:lang="en-US" xlink:label="fmnb_RetirementConsultingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retirement Consulting Segment [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:type="locator" xlink:label="us-gaap_ConsolidationItemsAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidationItemsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationItemsAxis" xlink:to="us-gaap_ConsolidationItemsAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidationItemsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:type="locator" xlink:label="us-gaap_ConsolidationItemsDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidationItemsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationItemsDomain" xlink:to="us-gaap_ConsolidationItemsDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ConsolidationItemsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Domain]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:type="locator" xlink:label="us-gaap_OperatingSegmentsMember" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_EliminationsAndReconcilingItemsMember" xlink:type="locator" xlink:label="fmnb_EliminationsAndReconcilingItemsMember" />
    <label xml:lang="en-US" xlink:label="fmnb_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the aggregate total of reconciling items and elimination items.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_EliminationsAndReconcilingItemsMember" xlink:to="fmnb_EliminationsAndReconcilingItemsMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eliminations And Others</label>
    <label xml:lang="en-US" xlink:label="fmnb_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Eliminations And Reconciling Items [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:type="locator" xlink:label="us-gaap_SegmentReportingInformationLineItems" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:type="locator" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill" />
    <label xml:lang="en-US" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and other intangibles</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets Net Including Goodwill</label>
    <label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</label>
    <label xml:lang="en-US" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net interest income</label>
    <label xml:lang="en-US" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Service fees, security gains and other noninterest income</label>
    <label xml:lang="en-US" xlink:label="fmnb_NoninterestExpenseExcludingAmortizationAndDepreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest expense</label>
    <label xml:lang="en-US" xlink:label="fmnb_NoninterestExpenseExcludingAmortizationAndDepreciation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Expense Excluding Amortization And Depreciation</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:type="locator" xlink:label="us-gaap_DepreciationAndAmortization" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortization and depreciation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation And Amortization</label>
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income tax</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:type="locator" xlink:label="us-gaap_QuarterlyFinancialDataAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_QuarterlyFinancialDataAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quarterly Financial Data Abstract</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialDataAbstract" xlink:to="us-gaap_QuarterlyFinancialDataAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_QuarterlyFinancialDataAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Quarterly Financial Data [Abstract]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest income</label>
    <label xml:lang="en-US" xlink:label="us-gaap_InterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest expense</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForLoanLossesExpensed" xlink:type="locator" xlink:label="us-gaap_ProvisionForLoanLossesExpensed" />
    <label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for loan losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForLoanLossesExpensed" xlink:to="us-gaap_ProvisionForLoanLossesExpensed_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Loan Losses Expensed</label>
    <label xml:lang="en-US" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Noninterest income</label>
    <label xml:lang="en-US" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest expense</label>
    <label xml:lang="en-US" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Earnings per share - basic and diluted</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities" xlink:type="locator" xlink:label="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities" />
    <label xml:lang="en-US" xlink:label="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain (loss) on sale of securities net including impairment of securities.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities" xlink:to="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities_lbl" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:type="locator" xlink:label="us-gaap_CounterpartyNameAxis" />
    <label xml:lang="en-US" xlink:label="us-gaap_CounterpartyNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CounterpartyNameAxis" xlink:to="us-gaap_CounterpartyNameAxis_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_CounterpartyNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:type="locator" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain" />
    <label xml:lang="en-US" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:to="us-gaap_RepurchaseAgreementCounterpartyNameDomain_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement Counterparty Name [Domain]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_FarmersNationalCaptiveIncMember" xlink:type="locator" xlink:label="fmnb_FarmersNationalCaptiveIncMember" />
    <label xml:lang="en-US" xlink:label="fmnb_FarmersNationalCaptiveIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Farmers National Captive Inc.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_FarmersNationalCaptiveIncMember" xlink:to="fmnb_FarmersNationalCaptiveIncMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_FarmersNationalCaptiveIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Captive</label>
    <label xml:lang="en-US" xlink:label="fmnb_FarmersNationalCaptiveIncMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Farmers National Captive Inc [Member]</label>
    <loc xlink:href="fmnb-20171231.xsd#fmnb_NationalAssociatesIncorporatedMember" xlink:type="locator" xlink:label="fmnb_NationalAssociatesIncorporatedMember" />
    <label xml:lang="en-US" xlink:label="fmnb_NationalAssociatesIncorporatedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">National associates incorporated.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="fmnb_NationalAssociatesIncorporatedMember" xlink:to="fmnb_NationalAssociatesIncorporatedMember_lbl" />
    <label xml:lang="en-US" xlink:label="fmnb_NationalAssociatesIncorporatedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">National Associates Incorporated</label>
    <label xml:lang="en-US" xlink:label="fmnb_NationalAssociatesIncorporatedMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">National Associates Incorporated [Member]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets:</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Cash" xlink:type="locator" xlink:label="us-gaap_Cash" />
    <label xml:lang="en-US" xlink:label="us-gaap_Cash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Cash" xlink:to="us-gaap_Cash_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_Cash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="locator" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment in subsidiaries</label>
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    <label xml:lang="en-US" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments In Affiliates Subsidiaries Associates And Joint Ventures</label>
    <label xml:lang="en-US" xlink:label="us-gaap_OtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:type="locator" xlink:label="us-gaap_LiabilitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NotesPayable" xlink:type="locator" xlink:label="us-gaap_NotesPayable" />
    <label xml:lang="en-US" xlink:label="us-gaap_NotesPayable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Note payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayable" xlink:to="us-gaap_NotesPayable_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NotesPayable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubordinatedDebt" xlink:type="locator" xlink:label="us-gaap_SubordinatedDebt" />
    <label xml:lang="en-US" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinate debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubordinatedDebt" xlink:to="us-gaap_SubordinatedDebt_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_SubordinatedDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Debt</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:type="locator" xlink:label="us-gaap_AccountsPayableOtherCurrentAndNoncurrent" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccountsPayableOtherCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other accounts payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:to="us-gaap_AccountsPayableOtherCurrentAndNoncurrent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_AccountsPayableOtherCurrentAndNoncurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable Other Current And Noncurrent</label>
    <label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TOTAL STOCKHOLDERS&apos; EQUITY</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:type="locator" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:to="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Amounts Attributable To Reporting Entity Disclosures [Abstract]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dividends from subsidiaries</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndDividendIncomeSecurities" xlink:type="locator" xlink:label="us-gaap_InterestAndDividendIncomeSecurities" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestAndDividendIncomeSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and dividends on securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestAndDividendIncomeSecurities" xlink:to="us-gaap_InterestAndDividendIncomeSecurities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestAndDividendIncomeSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest And Dividend Income Securities</label>
    <label xml:lang="en-US" xlink:label="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security gains/(losses)</label>
    <label xml:lang="en-US" xlink:label="fmnb_GainLossOnSaleOfSecuritiesNetIncludingImpairmentOfSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Sale Of Securities Net Including Impairment Of Securities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:type="locator" xlink:label="us-gaap_OtherNonoperatingIncome" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncome" xlink:to="us-gaap_OtherNonoperatingIncome_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossAttributableToParent" xlink:type="locator" xlink:label="us-gaap_IncomeLossAttributableToParent" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">TOTAL INCOME</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossAttributableToParent" xlink:to="us-gaap_IncomeLossAttributableToParent_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossAttributableToParent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss Attributable To Parent</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseBorrowings" xlink:type="locator" xlink:label="us-gaap_InterestExpenseBorrowings" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestExpenseBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest on borrowings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseBorrowings" xlink:to="us-gaap_InterestExpenseBorrowings_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_InterestExpenseBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense Borrowings</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:type="locator" xlink:label="us-gaap_OtherNonoperatingExpense" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingExpense" xlink:to="us-gaap_OtherNonoperatingExpense_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherNonoperatingExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Expense</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income before income tax benefit and undistributed subsidiary income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments</label>
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax benefit</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity in undistributed net income of subsidiaries (dividends in excess of net income)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss From Equity Method Investments Net Of Dividends Or Distributions</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Operating Activities [Abstract]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Dividends in excess of net income (Equity in undistributed net income of subsidiary)</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:type="locator" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:to="us-gaap_OtherOperatingActivitiesCashFlowStatement_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Operating Activities Cash Flow Statement</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET CASH FROM OPERATING ACTIVITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Operating Activities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Investing Activities [Abstract]</label>
    <label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from maturities of available for sale securities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" />
    <label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net cash paid in business combinations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates" xlink:to="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Acquire Businesses And Interest In Affiliates</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET CASH FROM INVESTING ACTIVITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Investing Activities</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Financing Activities [Abstract]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfTreasuryStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfTreasuryStock" />
    <label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfTreasuryStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from reissuance of treasury shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfTreasuryStock" xlink:to="us-gaap_ProceedsFromSaleOfTreasuryStock_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_ProceedsFromSaleOfTreasuryStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Sale Of Treasury Stock</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET CASH FROM FINANCING ACTIVITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" />
    <label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided By Used In Financing Activities</label>
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