content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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  <submissionType>144</submissionType>
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  <filer>
  <filerCredentials>
  <cik>0002057149</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001780232</issuerCik>
  <issuerName>GFL Environmental Inc.</issuerName>
  <secFileNumber>001-39240</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">100 NEW PARK PLACE</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">SUITE 500</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Vaughan</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">A6</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">L4K 0H9</zipCode>
  </issuerAddress>
  <issuerContactPhone>905-326-0101</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold> Elizabeth Joy Grahek</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>EVP, Strategic Initiatives</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>CIBC Wood Gundy</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">2275 Upper Middle Rd East, Suite 600</street1>
  <city xmlns="http://www.sec.gov/edgar/common">Oakville, ON</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">Z4</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">LGH OC3</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>11000</noOfUnitsSold>
  <aggregateMarketValue>546590</aggregateMarketValue>
  <noOfUnitsOutstanding>354894220</noOfUnitsOutstanding>
  <approxSaleDate>05/30/2025</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
  <acquiredDate>03/20/2024</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired upon vesting of restricted stock units</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>8017</amountOfSecuritiesAcquired>
  <paymentDate>03/20/2024</paymentDate>
  <natureOfPayment>Acquired upon vesting of restricted stock units</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Subordinate Voting Shares</securitiesClassTitle>
  <acquiredDate>12/18/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired upon vesting of restricted stock units</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>2983</amountOfSecuritiesAcquired>
  <paymentDate>12/18/2023</paymentDate>
  <natureOfPayment>Acquired upon vesting of restricted stock units</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>05/30/2025</noticeDate>
  <signature>/s/ Elizabeth Joy Grahek</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
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text: 144
  0002057149
  XXXXXXXX
  LIVE
  0001780232
  GFL Environmental Inc.
  001-39240
  100 NEW PARK PLACE
  SUITE 500
  Vaughan
  A6
  L4K 0H9
  905-326-0101
  Elizabeth Joy Grahek
  EVP, Strategic Initiatives
  Subordinate Voting Shares
  CIBC Wood Gundy
  2275 Upper Middle Rd East, Suite 600
  Oakville, ON
  Z4
  LGH OC3
  11000
  546590
  354894220
  05/30/2025
  NYSE
  Subordinate Voting Shares
  03/20/2024
  Acquired upon vesting of restricted stock units
  Issuer
  N
  8017
  03/20/2024
  Acquired upon vesting of restricted stock units
  Subordinate Voting Shares
  12/18/2023
  Acquired upon vesting of restricted stock units
  Issuer
  N
  2983
  12/18/2023
  Acquired upon vesting of restricted stock units
  Y
  05/30/2025
  /s/ Elizabeth Joy Grahek