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>0001727026</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>Hemmer Tara 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>775</noOfUnitsSold>
        <aggregateMarketValue>154420.15</aggregateMarketValue>
        <noOfUnitsOutstanding>401598077</noOfUnitsOutstanding>
        <approxSaleDate>02/14/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>02/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of performance share award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WASTE MANAGEMENT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>775</amountOfSecuritiesAcquired>
        <paymentDate>02/13/2024</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tara Hemmer</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>11/27/2023</saleDate>
        <amountOfSecuritiesSold>10048</amountOfSecuritiesSold>
        <grossProceeds>1720125.01</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Tara Hemmer</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>12/01/2023</saleDate>
        <amountOfSecuritiesSold>10009</amountOfSecuritiesSold>
        <grossProceeds>1726944.11</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/14/2024</noticeDate>
        <signature>Tara Hemmer</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001727026
  XXXXXXXX
  LIVE
  0000823768
  WASTE MANAGEMENT INC
  001-12154
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  7135126200
  Hemmer Tara J.
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  775
  154420.15
  401598077
  02/14/2024
  NYSE
  Common Stock
  02/13/2024
  Vesting of performance share award
  WASTE MANAGEMENT INC
  N
  775
  02/13/2024
  Granted as part of issuer equity compensation plan
  N
  Tara Hemmer
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  Common Stock
  11/27/2023
  10048
  1720125.01
  Tara Hemmer
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  Common Stock
  12/01/2023
  10009
  1726944.11
  02/14/2024
  Tara Hemmer