<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001869739</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001845022</issuerCik>
            <issuerName>COUCHBASE INC</issuerName>
            <secFileNumber>001-40601</secFileNumber>
            <issuerAddress>
                <ns2:street1>3250 Olcott Street</ns2:street1>
                <ns2:city>Santa Clara</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95054</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>6504177500</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MARGARET CHOW</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>13000</noOfUnitsSold>
            <aggregateMarketValue>344760.00</aggregateMarketValue>
            <noOfUnitsOutstanding>49262707</noOfUnitsOutstanding>
            <approxSaleDate>05/17/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/17/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>13000</amountOfSecuritiesAcquired>
            <paymentDate>05/17/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for MARGARET CHOW</name>
                <address>
                    <ns2:street1>3250 Olcott Street</ns2:street1>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>04/01/2024</saleDate>
            <amountOfSecuritiesSold>5525</amountOfSecuritiesSold>
            <grossProceeds>144677.47</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for MARGARET CHOW</name>
                <address>
                    <ns2:street1>3250 Olcott Street</ns2:street1>
                    <ns2:city>Santa Clara</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>95054</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/06/2024</saleDate>
            <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
            <grossProceeds>305279.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were and will be received upon the exercise of stock options over the next three months.
The date of acquisition and payment was and will be the date of exercise/sale.
</remarks>
        <noticeSignature>
            <noticeDate>05/17/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>10/02/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Margaret Chow</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001869739
XXXXXXXX
LIVE
0001845022
COUCHBASE INC
001-40601
3250 Olcott Street
Santa Clara
CA
95054
6504177500
MARGARET CHOW
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
13000
344760.00
49262707
05/17/2024
NASDAQ
Common
05/17/2024
Exercise of Stock Options
Issuer
N
13000
05/17/2024
Cash
N
10b5-1 Sales Plan for MARGARET CHOW
3250 Olcott Street
Santa Clara
CA
95054
Common
04/01/2024
5525
144677.47
10b5-1 Sales Plan for MARGARET CHOW
3250 Olcott Street
Santa Clara
CA
95054
Common
03/06/2024
10000
305279.00
The securities to be sold were and will be received upon the exercise of stock options over the next three months.
The date of acquisition and payment was and will be the date of exercise/sale.
05/17/2024
10/02/2023
/s/ Margaret Chow