As filed with the U.S. Securities and Exchange Commission on May 27, 2011

Securities Act File No. 333-92935

Investment Company Act File No. 811-09729

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER THE SECURITIES ACT OF 1933	x
Pre-Effective Amendment No.	¨
Post-Effective Amendment No. 541	x
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	x

Amendment No. 541

(Check appropriate box or boxes)

iShares Trust

(Exact Name of Registrant as Specified in Charter)

c/o State Street Bank and Trust Company

200 Clarendon Street

Boston, MA 02116

(Address of Principal Executive Office)(Zip Code)

Registrant’s Telephone Number, including Area Code (415) 597-2000

The Corporation Trust Company

1209 Orange Street

Wilmington, DE 19801

(Name and Address of Agent for Service)

With Copies to:

MARGERY K. NEALE, ESQ.	BENJAMIN J. HASKIN, ESQ.	ANDREW JOSEF, ESQ.
WILLKIE FARR & GALLAGHER LLP	WILLKIE FARR & GALLAGHER LLP	BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.
787 SEVENTH AVENUE	1875 K STREET, NW	400 HOWARD STREET
NEW YORK, NY 10019-6099	WASHINGTON, DC 20006-1238	SAN FRANCISCO, CA 94105

Continuous

(May 27, 2011)

It is proposed that this filing will become effective:

x immediately upon filing pursuant to paragraph (b)

¨ on              pursuant to paragraph (b)

¨ 60 days after filing pursuant to paragraph (a)(1)

¨ on              pursuant to paragraph (a)(1)

¨ 75 days after filing pursuant to paragraph (a)(2)

¨ on              pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

This filing relates solely to the following Fund, a series of the Trust:

iShares Global Inflation-Linked Bond Fund

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all the requirements for the effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 541 to the Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of San Francisco and the State of California on the 27^th day of May 2011.

iShares Trust

By:
	Michael Latham*
	President and Trustee
Date:	May 27, 2011

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 541 to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated.

Michael Latham*

President and Trustee

Date: May 27, 2011

John E. Martinez*

Trustee

Date: May 27, 2011

George G. C. Parker*

Trustee

Date: May 27, 2011

Cecilia H. Herbert*

Trustee

Date: May 27, 2011

Charles A. Hurty*

Trustee

Date: May 27, 2011

John E. Kerrigan*

Trustee

Date: May 27, 2011

Robert H. Silver*

Trustee

Date: May 27, 2011

Robert S. Kapito*

Trustee

Date: May 27, 2011

Madhav V. Rajan

Trustee

Date: May 27, 2011

/s/ Jack Gee

Jack Gee

Treasurer

Date: May 27, 2011

/s/ Jack Gee

* By: Jack Gee

Attorney-in-fact

Date: May 27, 2011

* Powers of Attorney, each dated May 26, 2010, for Michael A. Latham, Charles A. Hurty, Cecilia H. Herbert, John E. Kerrigan, Robert H. Silver, George G.C. Parker, John E. Martinez and Robert S. Kapito are incorporated herein by reference to PEA No. 444.

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase