<SEC-DOCUMENT>0000895419-15-000030.txt : 20150424
<SEC-HEADER>0000895419-15-000030.hdr.sgml : 20150424
<ACCEPTANCE-DATETIME>20150424112729
ACCESSION NUMBER:		0000895419-15-000030
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150422
FILED AS OF DATE:		20150424
DATE AS OF CHANGE:		20150424

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CREE INC
		CENTRAL INDEX KEY:			0000895419
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				561572719
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			0628

	BUSINESS ADDRESS:	
		STREET 1:		4600 SILICON DR
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703
		BUSINESS PHONE:		9194075300

	MAIL ADDRESS:	
		STREET 1:		4600 SILICON DR
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703-8475

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CREE RESEARCH INC /NC/
		DATE OF NAME CHANGE:	19940224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			INGRAM ROBERT ALEXANDER
		CENTRAL INDEX KEY:			0001219890

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21154
		FILM NUMBER:		15790579

	MAIL ADDRESS:	
		STREET 1:		280 S. MANGUM STREET
		STREET 2:		SUITE 350
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27701

	FORMER NAME:	
		FORMER CONFORMED NAME:	INGRAM ROBERT A
		DATE OF NAME CHANGE:	20030222
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_142988924008792.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-04-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000895419</issuerCik>
        <issuerName>CREE INC</issuerName>
        <issuerTradingSymbol>CREE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001219890</rptOwnerCik>
            <rptOwnerName>INGRAM ROBERT ALEXANDER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CREE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4600 SILICON DRIVE</rptOwnerStreet2>
            <rptOwnerCity>DURHAM</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27703</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>2015-04-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>811</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39861</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of Common Stock credited to the Reporting Person's 2015 deferral account under the Cree, Inc. Stock Compensation and Deferral Program, issuable following the Reporting Person's Separation of Service from Cree.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Tamara Cappelson
as agent for Robert A. Ingram</signatureName>
        <signatureDate>2015-04-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
