<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.4b -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel" />
    <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_S000057713Member" xlink:label="nlft_S000057713Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_S000057713Member" xlink:to="nlft_S000057713Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_S000057713Member_lbl" xml:lang="en-US">Invenomic Fund</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ActiveManagementRiskMember" xlink:label="nlft_ActiveManagementRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ActiveManagementRiskMember" xlink:to="nlft_ActiveManagementRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ActiveManagementRiskMember_lbl" xml:lang="en-US">Active Management Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_AdrEdrGdrAndIdrRiskMember" xlink:label="nlft_AdrEdrGdrAndIdrRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_AdrEdrGdrAndIdrRiskMember" xlink:to="nlft_AdrEdrGdrAndIdrRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_AdrEdrGdrAndIdrRiskMember_lbl" xml:lang="en-US">Adr Edr Gdr And Idr Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_DerivativesRiskMember" xlink:label="nlft_DerivativesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_DerivativesRiskMember" xlink:to="nlft_DerivativesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_DerivativesRiskMember_lbl" xml:lang="en-US">Derivatives Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_EquityRiskMember" xlink:label="nlft_EquityRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_EquityRiskMember" xlink:to="nlft_EquityRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_EquityRiskMember_lbl" xml:lang="en-US">Equity Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ExchangeTradedFundsETFRiskMember" xlink:label="nlft_ExchangeTradedFundsETFRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ExchangeTradedFundsETFRiskMember" xlink:to="nlft_ExchangeTradedFundsETFRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ExchangeTradedFundsETFRiskMember_lbl" xml:lang="en-US">Exchange Traded Funds E T F Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_FixedIncomeAndInterestRateRiskMember" xlink:label="nlft_FixedIncomeAndInterestRateRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_FixedIncomeAndInterestRateRiskMember" xlink:to="nlft_FixedIncomeAndInterestRateRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_FixedIncomeAndInterestRateRiskMember_lbl" xml:lang="en-US">Fixed Income And Interest Rate Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ForeignInvestmentRiskMember" xlink:label="nlft_ForeignInvestmentRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ForeignInvestmentRiskMember" xlink:to="nlft_ForeignInvestmentRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ForeignInvestmentRiskMember_lbl" xml:lang="en-US">Foreign Investment Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_GeneralMarketRiskMember" xlink:label="nlft_GeneralMarketRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_GeneralMarketRiskMember" xlink:to="nlft_GeneralMarketRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_GeneralMarketRiskMember_lbl" xml:lang="en-US">General Market Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_HighYieldDebtObligationsRiskMember" xlink:label="nlft_HighYieldDebtObligationsRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_HighYieldDebtObligationsRiskMember" xlink:to="nlft_HighYieldDebtObligationsRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_HighYieldDebtObligationsRiskMember_lbl" xml:lang="en-US">High Yield Debt Obligations Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_IlliquidSecuritiesRiskMember" xlink:label="nlft_IlliquidSecuritiesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_IlliquidSecuritiesRiskMember" xlink:to="nlft_IlliquidSecuritiesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_IlliquidSecuritiesRiskMember_lbl" xml:lang="en-US">Illiquid Securities Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_IpoRiskMember" xlink:label="nlft_IpoRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_IpoRiskMember" xlink:to="nlft_IpoRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_IpoRiskMember_lbl" xml:lang="en-US">Ipo Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_LargeCapSecuritiesRiskMember" xlink:label="nlft_LargeCapSecuritiesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_LargeCapSecuritiesRiskMember" xlink:to="nlft_LargeCapSecuritiesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_LargeCapSecuritiesRiskMember_lbl" xml:lang="en-US">Large Cap Securities Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_LeverageRiskMember" xlink:label="nlft_LeverageRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_LeverageRiskMember" xlink:to="nlft_LeverageRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_LeverageRiskMember_lbl" xml:lang="en-US">Leverage Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_LiquidityRiskMember" xlink:label="nlft_LiquidityRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_LiquidityRiskMember" xlink:to="nlft_LiquidityRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_LiquidityRiskMember_lbl" xml:lang="en-US">Liquidity Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_MarketRiskMember" xlink:label="nlft_MarketRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_MarketRiskMember" xlink:to="nlft_MarketRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_MarketRiskMember_lbl" xml:lang="en-US">Market Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ManagementRiskMember" xlink:label="nlft_ManagementRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ManagementRiskMember" xlink:to="nlft_ManagementRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ManagementRiskMember_lbl" xml:lang="en-US">Management Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_OptionsRiskMember" xlink:label="nlft_OptionsRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_OptionsRiskMember" xlink:to="nlft_OptionsRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_OptionsRiskMember_lbl" xml:lang="en-US">Options Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_OtherInvestmentCompaniesRiskMember" xlink:label="nlft_OtherInvestmentCompaniesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_OtherInvestmentCompaniesRiskMember" xlink:to="nlft_OtherInvestmentCompaniesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_OtherInvestmentCompaniesRiskMember_lbl" xml:lang="en-US">Other Investment Companies Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_PortfolioTurnoverRiskMember" xlink:label="nlft_PortfolioTurnoverRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_PortfolioTurnoverRiskMember" xlink:to="nlft_PortfolioTurnoverRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_PortfolioTurnoverRiskMember_lbl" xml:lang="en-US">Portfolio Turnover Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ReitRiskMember" xlink:label="nlft_ReitRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ReitRiskMember" xlink:to="nlft_ReitRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ReitRiskMember_lbl" xml:lang="en-US">Reit Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_SegregatedAccountRiskMember" xlink:label="nlft_SegregatedAccountRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_SegregatedAccountRiskMember" xlink:to="nlft_SegregatedAccountRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_SegregatedAccountRiskMember_lbl" xml:lang="en-US">Segregated Account Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_ShortPositionRiskMember" xlink:label="nlft_ShortPositionRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_ShortPositionRiskMember" xlink:to="nlft_ShortPositionRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_ShortPositionRiskMember_lbl" xml:lang="en-US">Short Position Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_SmallerAndMediumSizeIssuerRiskMember" xlink:label="nlft_SmallerAndMediumSizeIssuerRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_SmallerAndMediumSizeIssuerRiskMember" xlink:to="nlft_SmallerAndMediumSizeIssuerRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_SmallerAndMediumSizeIssuerRiskMember_lbl" xml:lang="en-US">Smaller And Medium Size Issuer Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_TaxRiskMember" xlink:label="nlft_TaxRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_TaxRiskMember" xlink:to="nlft_TaxRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_TaxRiskMember_lbl" xml:lang="en-US">Tax Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_UnseasonedIssuersRiskMember" xlink:label="nlft_UnseasonedIssuersRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_UnseasonedIssuersRiskMember" xlink:to="nlft_UnseasonedIssuersRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_UnseasonedIssuersRiskMember_lbl" xml:lang="en-US">Unseasoned Issuers Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_C000186112Member" xlink:label="nlft_C000186112Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_C000186112Member" xlink:to="nlft_C000186112Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_C000186112Member_lbl" xml:lang="en-US">Invenomic Fund Institutional Class shares</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_C000186113Member" xlink:label="nlft_C000186113Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_C000186113Member" xlink:to="nlft_C000186113Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_C000186113Member_lbl" xml:lang="en-US">Invenomic Fund Investor Class shares</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_C000211283Member" xlink:label="nlft_C000211283Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_C000211283Member" xlink:to="nlft_C000211283Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_C000211283Member_lbl" xml:lang="en-US">Invenomic Fund Super Institutional Class shares</link:label>
      <link:loc xlink:type="locator" xlink:href="nlft-20260302.xsd#nlft_SAndPComposite1500TotalReturnIndexReflectsNoDeductionForFeesExpensesOrTaxesMember" xlink:label="nlft_SAndPComposite1500TotalReturnIndexReflectsNoDeductionForFeesExpensesOrTaxesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nlft_SAndPComposite1500TotalReturnIndexReflectsNoDeductionForFeesExpensesOrTaxesMember" xlink:to="nlft_SAndPComposite1500TotalReturnIndexReflectsNoDeductionForFeesExpensesOrTaxesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="nlft_SAndPComposite1500TotalReturnIndexReflectsNoDeductionForFeesExpensesOrTaxesMember_lbl" xml:lang="en-US">S&amp;P Composite 1500&#174; Total Return Index (reflects no deduction for fees, expenses or taxes)</link:label>
    </link:labelLink>
</link:linkbase>
