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>0001943720</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>Rooney Kelly C.</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>5257</noOfUnitsSold>
        <aggregateMarketValue>1186907.53</aggregateMarketValue>
        <noOfUnitsOutstanding>401365541</noOfUnitsOutstanding>
        <approxSaleDate>11/12/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>11/12/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of employee stock options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WASTE MANAGEMENT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5257</amountOfSecuritiesAcquired>
        <paymentDate>11/12/2024</paymentDate>
        <natureOfPayment>Broker assisted cashless exercise</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Kelly Rooney</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>09/09/2024</saleDate>
        <amountOfSecuritiesSold>390</amountOfSecuritiesSold>
        <grossProceeds>80197.65</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/12/2024</noticeDate>
        <signature>Kelly Rooney</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001943720
  XXXXXXXX
  LIVE
  0000823768
  WASTE MANAGEMENT INC
  001-12154
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  7135126200
  Rooney Kelly C.
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  5257
  1186907.53
  401365541
  11/12/2024
  NYSE
  Common Stock
  11/12/2024
  Exercise of employee stock options
  WASTE MANAGEMENT INC
  N
  5257
  11/12/2024
  Broker assisted cashless exercise
  N
  Kelly Rooney
  800 CAPITOL STREET, STE 3000
  HOUSTON
  TX
  77002
  Common Stock
  09/09/2024
  390
  80197.65
  11/12/2024
  Kelly Rooney