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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>0001140361-11-010200.txt : 20110216
<SEC-HEADER>0001140361-11-010200.hdr.sgml : 20110216
<ACCEPTANCE-DATETIME>20110216162935
ACCESSION NUMBER:		0001140361-11-010200
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110214
FILED AS OF DATE:		20110216
DATE AS OF CHANGE:		20110216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOHNSON THOMAS P
		CENTRAL INDEX KEY:			0000906079

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31314
		FILM NUMBER:		11617946

	MAIL ADDRESS:	
		STREET 1:		127 MILBOB DR
		CITY:			IVYLAND
		STATE:			PA
		ZIP:			18974

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEROPOSTALE INC
		CENTRAL INDEX KEY:			0001168213
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-APPAREL & ACCESSORY STORES [5600]
		IRS NUMBER:				311443880
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		1371 BROADWAY
		STREET 2:		8TH FL.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		2126464885

	MAIL ADDRESS:	
		STREET 1:		1371 BROADWAY
		STREET 2:		8TH FL.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001168213</issuerCik>
        <issuerName>AEROPOSTALE INC</issuerName>
        <issuerTradingSymbol>ARO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000906079</rptOwnerCik>
            <rptOwnerName>JOHNSON THOMAS P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AEROPOSTALE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>112 W 34TH ST</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10120</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8080</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.81</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>178019</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to a previous election by the Reporting Person, this sale of Common Stock was made for the purpose of satisfying
the Reporting Person's tax liability relating to the vesting of restricted shares of the issuer's Common Stock.</footnote>
        <footnote id="F2">Included in these shares are  21,546 restricted shares of common stock that vest on February 12, 2012 and 30,024 restricted shares of common stock that vest on March 25, 2012.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joseph Pachella as attorney-in-fact for Thomas P. Johnson.</signatureName>
        <signatureDate>2011-02-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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