-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Nz6YtlEHNmhg3sDMVR8OvYe5AmX1aKYkSRouRc8ZbJQtVsfwkGA6AWrndiyCjU/i
 rsFE9I8IQr7IYLp4JgzrpA==

<SEC-DOCUMENT>0001179110-07-021110.txt : 20071107
<SEC-HEADER>0001179110-07-021110.hdr.sgml : 20071107
<ACCEPTANCE-DATETIME>20071107174202
ACCESSION NUMBER:		0001179110-07-021110
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071105
FILED AS OF DATE:		20071107
DATE AS OF CHANGE:		20071107

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IAC/INTERACTIVECORP
		CENTRAL INDEX KEY:			0000891103
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-RETAIL STORES, NEC [5990]
		IRS NUMBER:				592712887
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

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

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USA NETWORKS INC
		DATE OF NAME CHANGE:	19980223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BLATT GREGORY R
		CENTRAL INDEX KEY:			0001206793

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20570
		FILM NUMBER:		071222700

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2123147300

	MAIL ADDRESS:	
		STREET 1:		C/O INTERACTIVE CORP
		STREET 2:		152 W. 57TH ST.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER NAME:	
		FORMER CONFORMED NAME:	BLATT GREG
		DATE OF NAME CHANGE:	20021121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-11-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000891103</issuerCik>
        <issuerName>IAC/INTERACTIVECORP</issuerName>
        <issuerTradingSymbol>IACI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001206793</rptOwnerCik>
            <rptOwnerName>BLATT GREGORY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IAC/INTERACTIVECORP</rptOwnerStreet1>
            <rptOwnerStreet2>555 WEST 18TH STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10011</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; General Counsel</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2007-11-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7878</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38610</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
                <footnoteId id="F2"/>
            </securityTitle>
            <transactionDate>
                <value>2007-11-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3766</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.62</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34844</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-11-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7878</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-11-05</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2008-11-05</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7878</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7879</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of IAC Common Stock acquired upon the vesting of restricted stock units (see footnote 3 below).</footnote>
        <footnote id="F2">Represents the withholding of shares of IAC Common Stock for the payment of taxes in connection with the vesting of restricted stock units (see footnote 3 below).</footnote>
        <footnote id="F3">The terms of the initial grant provide for vesting in equal installments on the second, third, fourth and fifth anniversaries of the effective date of the grant, November 5, 2003, subject to the satisfaction of certain performance-related conditions.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Joanne Hawkins as Attorney-in-Fact for Gregory R. Blatt</signatureName>
        <signatureDate>2007-11-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----