400 Howard Street

P.O. Box 7101

San Francisco, CA 94105

Tel +1 415 670 2059

Fax +1 415 618 1377

andrew.josef@blackrock.com

September 1, 2011

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

RE: iShares Trust (the “Trust”)

 Securities Act File No. 333-92935;

 Investment Company Act File No. 811-09729

Ladies and Gentlemen:

Pursuant to Rule 497(j) of the Securities Act of 1933, as amended, and on behalf of the Trust, please accept this letter as certification that the Prospectuses and Statement of Additional Information, each dated September 1, 2011, do not differ from those contained in Post-Effective Amendment No. 573 to the Trust’s Registration Statement on Form N-1A, filed electronically on August 19, 2011.

If you have any questions, please do not hesitate to contact Benjamin J. Haskin of Willkie Farr & Gallagher LLP at (202) 303-1124 or me at (415) 670-2059.

Yours truly,

 /s/ Andrew Josef

Andrew Josef, Esq.

cc:  Benjamin J. Haskin, Esq.