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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001179110-06-001242.txt : 20060111
<SEC-HEADER>0001179110-06-001242.hdr.sgml : 20060111
<ACCEPTANCE-DATETIME>20060111180947
ACCESSION NUMBER:		0001179110-06-001242
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060101
FILED AS OF DATE:		20060111
DATE AS OF CHANGE:		20060111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEBDA DOUGLAS R
		CENTRAL INDEX KEY:			0001107090

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20570
		FILM NUMBER:		06525676

	MAIL ADDRESS:	
		STREET 1:		6701 CARMEL RD
		STREET 2:		SUITE 205
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28226

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IAC/INTERACTIVECORP
		CENTRAL INDEX KEY:			0000891103
		STANDARD INDUSTRIAL CLASSIFICATION:	TRANSPORTATION SERVICES [4700]
		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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4/A -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-01-01</periodOfReport>

    <dateOfOriginalSubmission>2006-01-04</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001107090</rptOwnerCik>
            <rptOwnerName>LEBDA DOUGLAS R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IAC/INTERACTIVECORP</rptOwnerStreet1>
            <rptOwnerStreet2>152 WEST 57TH STREET, 42ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; COO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>542760</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The 200,000 shares of IAC Common Stock reported on this Form 4 were received by the reporting person in exchange for certain restricted common units of LendingTree, Inc., a subsidiary of IAC (&quot;LendingTree&quot;).  These units were acquired by the reporting person in connection with IAC's acquisition of LendingTree in August 2003.  The exchange of these units for shares of IAC Common Stock occurred pursuant to the terms of an employment agreement between IAC and the reporting person, which agreement was entered into in connection with the reporting person's appointment (effective January 1, 2006) as President and Chief Operating Officer of IAC.</footnote>
        <footnote id="F2">Includes (i) 200,000 restricted shares of IAC Common Stock held directly by the reporting person, which vest in equal installments on December 31, 2006, December 31, 2007 and December 31, 2008, subject to the reporting person's continued employment with IAC and subject to the achievement of certain performance-related criteria, (ii) 76,850 shares of IAC Common Stock held directly by the reporting person, (iii) 1,796 shares of IAC Common Stock held directly by the reporting person in an individual retirement account, (iv) 82,500 shares of IAC Common Stock subject to a variable prepaid forward contract, dated September 5, 2003, between the reporting person and a financial institution, which contract matures on September 5, 2008, and (v) 181,614 shares of IAC Common Stock subject to joint variable prepaid forward contract, dated September 5, 2003, among the reporting person, his spouse and a financial institution, which contract matures on September 5, 2006.</footnote>
        <footnote id="F3">The reporting person is also the indirect beneficial owner of (i) 20,598 shares of IAC Common Stock held in a grantor retained annuity trust and (ii) 23,710 shares of IAC Common Stock subject to a variable prepaid forward contract, dated September 5, 2003, between the reporting person's spouse and a financial institution, which contract matures on September 5, 2008. The reporting person disclaims beneficial ownership of the shares of IAC Common Stock described in (ii) above.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Joanne Hawkins as Attorney-in-Fact for Douglas R. Lebda</signatureName>
        <signatureDate>2006-01-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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