<SEC-DOCUMENT>0000796343-17-000192.txt : 20171219
<SEC-HEADER>0000796343-17-000192.hdr.sgml : 20171219
<ACCEPTANCE-DATETIME>20171219163340
ACCESSION NUMBER:		0000796343-17-000192
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171218
FILED AS OF DATE:		20171219
DATE AS OF CHANGE:		20171219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Banse Amy
		CENTRAL INDEX KEY:			0001550029

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15175
		FILM NUMBER:		171264382

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADOBE SYSTEMS INC
		CENTRAL INDEX KEY:			0000796343
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				770019522
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1202

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110-2704
		BUSINESS PHONE:		4085366000

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110-2704
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151371920690917.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000796343</issuerCik>
        <issuerName>ADOBE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>ADBE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001550029</rptOwnerCik>
            <rptOwnerName>Banse Amy</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ADOBE SYSTEMS INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>345 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1125</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>177.3507</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31453</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $175.62 to $178.42. The price reported above reflects the weighted average execution price. The reporting person hereby undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price within the range.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jonathan Vaas, as attorney-in-fact</signatureName>
        <signatureDate>2017-12-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
