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        <filer>
          <filerCredentials>
            <cik>0001845837</cik>
            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <issuerInfo>
        <issuerCik>0001780232</issuerCik>
        <issuerName>GFL Environmental, Inc.</issuerName>
        <secFileNumber>001-39240</secFileNumber>
        <issuerAddress>
          <com:street1>100 New Park Place, Suite 500</com:street1>
          <com:city>Vaughan</com:city>
          <com:stateOrCountry>A6</com:stateOrCountry>
          <com:zipCode>L4K 0H9</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>905-326-0101</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Patrick Dovigi</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
          <relationshipToIssuer>President and CEO</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>250000</noOfUnitsSold>
        <aggregateMarketValue>12395000</aggregateMarketValue>
        <noOfUnitsOutstanding>354894220</noOfUnitsOutstanding>
        <approxSaleDate>05/22/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
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        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <acquiredDate>02/28/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>525792</amountOfSecuritiesAcquired>
        <paymentDate>02/28/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Patrick Dovigi</name>
          <address>
            <com:street1>C/o GFL Environmental, Inc.</com:street1>
            <com:street2>100 New Park Place, Suite 500</com:street2>
            <com:city>Vaughn</com:city>
            <com:stateOrCountry>A6</com:stateOrCountry>
            <com:zipCode>L4K 0H9</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
        <saleDate>05/09/2025</saleDate>
        <amountOfSecuritiesSold>250000</amountOfSecuritiesSold>
        <grossProceeds>12213710</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/22/2025</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Patrick Dovigi</signature>
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text: 144
  0001845837
  XXXXXXXX
  LIVE
  0001780232
  GFL Environmental, Inc.
  001-39240
  100 New Park Place, Suite 500
  Vaughan
  A6
  L4K 0H9
  905-326-0101
  Patrick Dovigi
  Director
  President and CEO
  Subordinate Voting Shares
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  250000
  12395000
  354894220
  05/22/2025
  NYSE
  Subordinate Voting Shares
  02/28/2025
  Compensation
  Issuer
  N
  525792
  02/28/2025
  Compensation
  N
  Patrick Dovigi
  C/o GFL Environmental, Inc.
  100 New Park Place, Suite 500
  Vaughn
  A6
  L4K 0H9
  Subordinate Voting Shares
  05/09/2025
  250000
  12213710
  05/22/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Patrick Dovigi