-----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,
 MBbTe+x/8DoTSDqBZS88dmTKp9JqEU9hsROSEgZHpRjPixKrjgcxO4NkdwzbGEJj
 y17yURyrnd+doJGncJruhg==

<SEC-DOCUMENT>0001209191-03-032717.txt : 20031201
<SEC-HEADER>0001209191-03-032717.hdr.sgml : 20031201
<ACCEPTANCE-DATETIME>20031201130807
ACCESSION NUMBER:		0001209191-03-032717
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031201
FILED AS OF DATE:		20031201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMLER YARON
		CENTRAL INDEX KEY:			0001216450

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25826
		FILM NUMBER:		031029444

	MAIL ADDRESS:	
		STREET 1:		HARMONIC INC
		STREET 2:		549 BALTIC WAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARMONIC INC
		CENTRAL INDEX KEY:			0000851310
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				770201147
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		549 BALTIC WAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		4085422500

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HARMONIC LIGHTWAVES INC
		DATE OF NAME CHANGE:	19950404
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<DESCRIPTION>FORM 3/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3/A</documentType><periodOfReport>2003-12-01</periodOfReport><dateOfOriginalSubmission>2001-03-29</dateOfOriginalSubmission>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000851310</issuerCik>
        <issuerName>HARMONIC INC</issuerName>
        <issuerTradingSymbol>HLIT</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001216450</rptOwnerCik>
            <rptOwnerName>SIMLER YARON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>549 BALTIC WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94089</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President, CSD</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4830.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>1988 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>0.2250</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2002-06-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1.0000</value>
</underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1988 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>0.9000</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2004-03-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>6667.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>5.0000</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2006-01-23</value>
</expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>7000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>7.8125</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2008-06-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>8000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><co
nversionOrExercisePrice><value>9.1250</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2011-01-26</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>60000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>10.4375</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2007-07-14</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><valu
e>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>23.5625</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2010-08-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>30000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>1995 Stock Option Plan</value></securityTitle><conversionOrExercisePrice><value>25.5000</value></conversionOrExercisePrice><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2009-06-22</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></und
erlyingSecurityTitle><underlyingSecurityShares><value>8000.0000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Twenty five percent of the Shares subject to the Option shall vest twelve months after the Vesting Commencement Date, and 1/48th of the Shares subject ot the Option shall vest each month thereafter.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/Laura Donovan

By: Laura Donovan, Attorney-in-Fact</signatureName><signatureDate>2003-12-01</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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