Fidelity (logo) Investments®||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Fidelity Management & Research Company
82 Devonshire Street
Boston MA 02109-3614
617 563 7000

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| May 5, 2010

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: File Room

Re:	Fidelity Oxford Street Trust (the trust):
	Fidelity Four-in-One Index Fund (the fund)
	File Nos. 002-77909 and 811-03480

__________________________________________________________________________

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 do 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