<?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>0001931799</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>HUW OWEN</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>12723</noOfUnitsSold>
            <aggregateMarketValue>198351.57</aggregateMarketValue>
            <noOfUnitsOutstanding>52347954</noOfUnitsOutstanding>
            <approxSaleDate>01/02/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>09/20/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Employee Stock Purchase Plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>265</amountOfSecuritiesAcquired>
            <paymentDate>09/20/2022</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/21/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Employee Stock Purchase Plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>735</amountOfSecuritiesAcquired>
            <paymentDate>03/21/2022</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>09/16/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>11723</amountOfSecuritiesAcquired>
            <paymentDate>09/16/2024</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for HUW OWEN</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>12/23/2024</saleDate>
            <amountOfSecuritiesSold>7575</amountOfSecuritiesSold>
            <grossProceeds>115255.14</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>HUW  OWEN</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>12/16/2024</saleDate>
            <amountOfSecuritiesSold>20446</amountOfSecuritiesSold>
            <grossProceeds>312823.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for HUW OWEN</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>11/19/2024</saleDate>
            <amountOfSecuritiesSold>1815</amountOfSecuritiesSold>
            <grossProceeds>36329.22</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales Plan for HUW OWEN</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>11/13/2024</saleDate>
            <amountOfSecuritiesSold>2102</amountOfSecuritiesSold>
            <grossProceeds>42069.22</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were acquired upon the vesting of restricted stock units during the period of 9/16/2024 through 12/16/2024.

</remarks>
        <noticeSignature>
            <noticeDate>01/02/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>09/30/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Huw Owen</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 7441}]
144
0001931799
XXXXXXXX
LIVE
0001845022
COUCHBASE INC
001-40601
3250 Olcott Street
Santa Clara
CA
95054
6504177500
HUW OWEN
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
12723
198351.57
52347954
01/02/2025
NASDAQ
Common
09/20/2022
Employee Stock Purchase Plan
Issuer
N
265
09/20/2022
Cash
Common
03/21/2022
Employee Stock Purchase Plan
Issuer
N
735
03/21/2022
Cash
Common
09/16/2024
Restricted Stock Units
Issuer
N
11723
09/16/2024
N/A
N
10b5-1 Sales Plan for HUW OWEN
3250 Olcott Street
Santa Clara
CA
95054
Common
12/23/2024
7575
115255.14
HUW  OWEN
3250 Olcott Street
Santa Clara
CA
95054
Common
12/16/2024
20446
312823.80
10b5-1 Sales Plan for HUW OWEN
3250 Olcott Street
Santa Clara
CA
95054
Common
11/19/2024
1815
36329.22
10b5-1 Sales Plan for HUW OWEN
3250 Olcott Street
Santa Clara
CA
95054
Common
11/13/2024
2102
42069.22
The securities to be sold were acquired upon the vesting of restricted stock units during the period of 9/16/2024 through 12/16/2024.
01/02/2025
09/30/2024
/s/ Huw Owen