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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UtQuSmJtk2iwHvx7RAb4mfBoERdaHlKBMxz6TlN3QTNFRHzC/oBNeFBAvfAQynp2
 3EMpfKBlRlvFh3TgGapbYw==

<SEC-DOCUMENT>0001179110-09-013836.txt : 20090930
<SEC-HEADER>0001179110-09-013836.hdr.sgml : 20090930
<ACCEPTANCE-DATETIME>20090930162031
ACCESSION NUMBER:		0001179110-09-013836
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090928
FILED AS OF DATE:		20090930
DATE AS OF CHANGE:		20090930

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OPENTABLE INC
		CENTRAL INDEX KEY:			0001125914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				943374049
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		799 MARKET STREET
		STREET 2:		FOURTH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		(415) 344-4200

	MAIL ADDRESS:	
		STREET 1:		799 MARKET STREET
		STREET 2:		FOURTH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			IAC/INTERACTIVECORP
		CENTRAL INDEX KEY:			0000891103
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-RETAIL STORES, NEC [5990]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34357
		FILM NUMBER:		091095820

	BUSINESS ADDRESS:	
		STREET 1:		152 WEST 57TH ST
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2123147300

	MAIL ADDRESS:	
		STREET 1:		152 WEST 57TH ST
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER NAME:	
		FORMER CONFORMED NAME:	INTERACTIVECORP
		DATE OF NAME CHANGE:	20030623

	FORMER NAME:	
		FORMER CONFORMED NAME:	USA INTERACTIVE
		DATE OF NAME CHANGE:	20020508

	FORMER NAME:	
		FORMER CONFORMED NAME:	USA NETWORKS INC
		DATE OF NAME CHANGE:	19980223
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001125914</issuerCik>
        <issuerName>OPENTABLE INC</issuerName>
        <issuerTradingSymbol>OPEN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000891103</rptOwnerCik>
            <rptOwnerName>IAC/INTERACTIVECORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>555 WEST 18TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10011</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1815792</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>361758</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of common stock, par value $0.0001, of OpenTable, Inc. (&quot;OpenTable Common Stock&quot;) sold by the reporting person in a secondary offering by Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated of 6,974,036 shares of OpenTable Common Stock, which closed on September 28, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Tanya M. Stanich, Assistant Secretary</signatureName>
        <signatureDate>2009-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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