Exhibit 24.1

POWER OF ATTORNEY

Know All Persons By These Presents:

That each person whose signature appears below, as a director or officer of PetSmart, Inc., a Delaware corporation with its general offices in Phoenix, Arizona, does hereby make, constitute and appoint Robert F. Moran and Emily D. Dickinson, and each or any one of them, his or her true and lawful attorney-in-fact and agent for the undersigned, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to execute and sign any and all registration statements on Form S-8 covering the registration of securities of the Company to be issued under the 2006 Equity Incentive Plan and the 2011 Equity Incentive Plan, and any and all amendments (including post-effective amendments) to such registration statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or their or his or her substitutes or substitute, may lawfully do or cause to be done by virtue hereof.

In Witness Whereof, this Power of Attorney has been signed by the following persons in the capacities effective as of the 6th day of April, 2011.

Signature		Title
/s/ PHILIP L. FRANCIS		Executive Chairman
Philip L. Francis
/s/ ROBERT F. MORAN		President and Chief Executive Officer
Robert F. Moran		(Principal Executive Officer)
/s/ LAWRENCE P. MOLLOY		Senior Vice President, Chief Financial Officer
Lawrence P. Molloy		(Principal Financial Officer and Principal
		Accounting Officer)
/s/ ANGEL CABRERA		Director
Angel Cabrera

Signature		Title
/s/ LAWRENCE A. DEL SANTO		Director
Lawrence A. Del Santo
/s/ RITA V. FOLEY		Director
Rita V. Foley
/s/ RAKESH GANGWAL		Director
Rakesh Gangwal
/s/ JOSEPH S. HARDIN, JR.		Director
Joseph S. Hardin, Jr.
/s/ GREGORY P. JOSEFOWICZ		Director
Gregory P. Josefowicz
/s/ AMIN I. KHALIFA		Director
Amin I. Khalifa
/s/ RICHARD K. LOCHRIDGE		Director
Richard K. Lochridge
/s/ BARBARA A. MUNDER		Director
Barbara A. Munder
/s/ THOMAS G. STEMBERG		Director
Thomas G. Stemberg