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>0001219726</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000906107</issuerCik>
        <issuerName>EQUITY RESIDENTIAL</issuerName>
        <secFileNumber>001-12252</secFileNumber>
        <issuerAddress>
          <com:street1>EQUITY RESIDENTIAL</com:street1>
          <com:street2>TWO NORTH RIVERSIDE PLAZA, SUITE 400</com:street2>
          <com:city>CHICAGO</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60606</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>3129281178</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>NEITHERCUT DAVID J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>25000</noOfUnitsSold>
        <aggregateMarketValue>1454576.26</aggregateMarketValue>
        <noOfUnitsOutstanding>379724934</noOfUnitsOutstanding>
        <approxSaleDate>12/07/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/07/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Options Granted - 02/06/2014</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>25000</amountOfSecuritiesAcquired>
        <paymentDate>12/07/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David J. Neithercut</name>
          <address>
            <com:street1>Two North Riverside Plaza</com:street1>
            <com:city>Chicago</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60606</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/10/2023</saleDate>
        <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
        <grossProceeds>1356250.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David J. Neithercut</name>
          <address>
            <com:street1>Two North Riverside Plaza</com:street1>
            <com:city>Chicago</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60606</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/14/2023</saleDate>
        <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
        <grossProceeds>1412740.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David J. Neithercut</name>
          <address>
            <com:street1>Two North Riverside Plaza</com:street1>
            <com:city>Chicago</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60606</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/21/2023</saleDate>
        <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
        <grossProceeds>1400000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/07/2023</noticeDate>
        <signature>/s/ Ryan Riviere, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David J. Neithercut</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4693}]
text: 144
  0001219726
  XXXXXXXX
  LIVE
  0000906107
  EQUITY RESIDENTIAL
  001-12252
  EQUITY RESIDENTIAL
  TWO NORTH RIVERSIDE PLAZA, SUITE 400
  CHICAGO
  IL
  60606
  3129281178
  NEITHERCUT DAVID J
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  25000
  1454576.26
  379724934
  12/07/2023
  NYSE
  Common
  12/07/2023
  Options Granted - 02/06/2014
  Issuer
  N
  25000
  12/07/2023
  Cash
  N
  David J. Neithercut
  Two North Riverside Plaza
  Chicago
  IL
  60606
  Common
  11/10/2023
  25000
  1356250.00
  David J. Neithercut
  Two North Riverside Plaza
  Chicago
  IL
  60606
  Common
  11/14/2023
  25000
  1412740.00
  David J. Neithercut
  Two North Riverside Plaza
  Chicago
  IL
  60606
  Common
  11/21/2023
  25000
  1400000.00
  12/07/2023
  /s/ Ryan Riviere, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David J. Neithercut