Exhibit 21.1

HARMONIC INC. AND SUBSIDIARIES

SUBSIDIARIES OF THE REGISTRANT

	State or Other Jurisdiction		Percent of Voting Securities Owned
Name	of Incorporation		by Harmonic
Harmonic (Asia Pacific) Limited	Hong Kong			100	%
Harmonic Delaware, L.L.C.		U.S.A.		100	%
Harmonic Europe S.A.S.	France			100	%
Harmonic Germany GmbH	Germany			100	%
Harmonic Global Limited	Cayman Islands			100	%
Harmonic Japan GK	Japan			100	%
Harmonic India Private Limited	India			100	%
Harmonic International A.G.	Switzerland			100	%
Harmonic International Inc.		U.S.A.		100	%
Harmonic International Limited	Bermuda			100	%
Harmonic Lightwaves (Israel) Ltd.	Israel			100	%
Harmonic Norway A.S.	Norway			100	%
Harmonic Poland Sp. Zo. o	Poland			100	%
Harmonic Singapore P.T.E. Ltd.	Singapore			100	%
Harmonic Spain SL	Spain			100	%
Harmonic Technologies (HK) Limited	Hong Kong			100	%
Harmonic (UK) Limited	United Kingdom			100	%
Harmonic Video Networks Ltd.	Israel			100	%
Harmonic Video Systems Ltd.	Israel			100	%
Horizon Acquisition Ltd.	Israel			100	%
Omneon Asia Pacific Limited	Hong Kong			100	%
Omneon Japan K.K.	Japan			100	%
Omneon Singapore Pte. Ltd.	Singapore			100	%
Omneon U.K. Ltd.	United Kingdom			100	%