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>0001836877</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000313927</issuerCik>
        <issuerName>CHURCH &amp; DWIGHT INC</issuerName>
        <secFileNumber>001-10585</secFileNumber>
        <issuerAddress>
          <com:street1>500 CHARLES EWING BLVD</com:street1>
          <com:city>EWING</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08628</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>6098061200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BARRY BRUNO</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>UBS Financial Services Inc</name>
          <address>
            <com:street1>1000 Harbor Blvd</com:street1>
            <com:street2>3rd Floor</com:street2>
            <com:city>Weehawken</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>07086</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>10440</noOfUnitsSold>
        <aggregateMarketValue>1011636</aggregateMarketValue>
        <noOfUnitsOutstanding>244264000</noOfUnitsOutstanding>
        <approxSaleDate>05/01/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>06/16/2014</acquiredDate>
        <natureOfAcquisitionTransaction>ESOP</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>CHURCH &amp; DWIGHT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6440</amountOfSecuritiesAcquired>
        <paymentDate>05/01/2023</paymentDate>
        <natureOfPayment>ELECTRONIC</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>09/02/2014</acquiredDate>
        <natureOfAcquisitionTransaction>ESOP</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>CHURCH &amp; DWIGHT INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4000</amountOfSecuritiesAcquired>
        <paymentDate>05/01/2023</paymentDate>
        <natureOfPayment>ELECTRONIC</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/01/2023</noticeDate>
        <signature>/s/ UBS Financial Services Inc, as attorney-in-fact for BARRY BRUNO</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3335}]
text: 144
  0001836877
  XXXXXXXX
  LIVE
  0000313927
  CHURCH & DWIGHT INC
  001-10585
  500 CHARLES EWING BLVD
  EWING
  NJ
  08628
  6098061200
  BARRY BRUNO
  Officer
  COMMON
  UBS Financial Services Inc
  1000 Harbor Blvd
  3rd Floor
  Weehawken
  NJ
  07086
  10440
  1011636
  244264000
  05/01/2023
  NYSE
  COMMON
  06/16/2014
  ESOP
  CHURCH & DWIGHT INC
  N
  6440
  05/01/2023
  ELECTRONIC
  COMMON
  09/02/2014
  ESOP
  CHURCH & DWIGHT INC
  N
  4000
  05/01/2023
  ELECTRONIC
  Y
  05/01/2023
  /s/ UBS Financial Services Inc, as attorney-in-fact for BARRY BRUNO