<?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>0001396719</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001101239</issuerCik>
      <issuerName>EQUINIX INC</issuerName>
      <secFileNumber>001-40205</secFileNumber>
      <issuerAddress>
        <com:street1>ONE LAGOON DRIVE</com:street1>
        <com:city>REDWOOD CITY</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94065</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(650) 598-6000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Abdel Raouf</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Smith Barney LLC</name>
        <address>
          <com:street1>200 W. Civic Center Dr, 4th Floor</com:street1>
          <com:city>Sandy</com:city>
          <com:stateOrCountry>UT</com:stateOrCountry>
          <com:zipCode>84070</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>927</noOfUnitsSold>
      <aggregateMarketValue>743250.91</aggregateMarketValue>
      <noOfUnitsOutstanding>98186078</noOfUnitsOutstanding>
      <approxSaleDate>01/16/2026</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/15/2026</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>927</amountOfSecuritiesAcquired>
      <paymentDate>01/15/2026</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Raouf Abdel</name>
        <address>
          <com:street1>c/o Equinix, Inc</com:street1>
          <com:street2>One Lagoon Drive</com:street2>
          <com:city>Redwood City</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94065</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>12/02/2025</saleDate>
      <amountOfSecuritiesSold>159</amountOfSecuritiesSold>
      <grossProceeds>116258.48</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Raouf Abdel</name>
        <address>
          <com:street1>c/o Equinix, Inc.</com:street1>
          <com:street2>One Lagoon Drive</com:street2>
          <com:city>Redwood City</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94065</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>12/10/2025</saleDate>
      <amountOfSecuritiesSold>403</amountOfSecuritiesSold>
      <grossProceeds>298220.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>01/16/2026</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/07/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Raouf Abdel</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
