April 28, 2016
U.S. Securities & Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Re:	Vanguard Index Funds (the Trust)
	File No. 2-56846
Commissioners:
Pursuant to Rule 497(j) under the Securities Act of 1933, this letter serves as certification that the
Prospectus and Statement of Additional Information with respect to the above-referenced Trust do not
differ from that filed in the most recent post-effective amendment, which was filed electronically.
Sincerely,
Christyn L. Rossman
Associate Counsel
The Vanguard Group, Inc.