Fidelity (logo) Investments®||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 245 Summer Street
Boston MA 02210
617 563 7000

August 21, 2015

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: File Room

Re:	Fidelity Salem Street Trust (the trust):
	Fidelity SAI Small-Mid Cap 500 Index Fund (the fund)
	File Nos. 002-41839 and 811-02105

__________________________________________________________________________

Ladies and Gentlemen:

Transmitted herewith pursuant to Rule 497(j) under the Securities Act of 1933 is certification that the Prospectus and Statement of Additional Information with respect to the above referenced fund does not differ from those filed in the most recent post-effective amendment, which was filed electronically.

Very truly yours,

/s/ Scott C. Goebel

Scott C. Goebel

Secretary of the Trust