content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001753639</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000823768</issuerCik>
        <issuerName>WASTE MANAGEMENT INC</issuerName>
        <secFileNumber>001-12154</secFileNumber>
        <issuerAddress>
          <com:street1>800 CAPITOL STREET, STE 3000</com:street1>
          <com:city>HOUSTON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77002</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7135126200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Watson Michael J.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>13727</noOfUnitsSold>
        <aggregateMarketValue>3120012.66</aggregateMarketValue>
        <noOfUnitsOutstanding>402115439</noOfUnitsOutstanding>
        <approxSaleDate>02/24/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of performance share unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WASTE MANAGEMENT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3000</amountOfSecuritiesAcquired>
        <paymentDate>02/13/2024</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>01/30/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of performance share unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WASTE MANAGEMENT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2732</amountOfSecuritiesAcquired>
        <paymentDate>01/30/2025</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/24/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of employee stock options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WASTE MANAGEMENT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7995</amountOfSecuritiesAcquired>
        <paymentDate>02/24/2025</paymentDate>
        <natureOfPayment>Broker assisted cashless exercise</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Michael Watson</name>
          <address>
            <com:street1>800 CAPITOL STREET, STE 3000</com:street1>
            <com:city>HOUSTON</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77002</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>01/31/2025</saleDate>
        <amountOfSecuritiesSold>693</amountOfSecuritiesSold>
        <grossProceeds>152629.79</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/24/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>11/05/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>Michael Watson</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001753639
  XXXXXXXX
  LIVE
  0000823768
  WASTE MANAGEMENT INC
  001-12154
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  7135126200
  Watson Michael J.
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  13727
  3120012.66
  402115439
  02/24/2025
  NYSE
  Common Stock
  02/13/2024
  Vesting of performance share unit award
  WASTE MANAGEMENT INC
  N
  3000
  02/13/2024
  Granted as part of issuer equity compensation plan
  Common Stock
  01/30/2025
  Vesting of performance share unit award
  WASTE MANAGEMENT INC
  N
  2732
  01/30/2025
  Granted as part of issuer equity compensation plan
  Common Stock
  02/24/2025
  Exercise of employee stock options
  WASTE MANAGEMENT INC
  N
  7995
  02/24/2025
  Broker assisted cashless exercise
  N
  Michael Watson
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  Common Stock
  01/31/2025
  693
  152629.79
  02/24/2025
  11/05/2024
  Michael Watson