April 2, 1998
VIA EDGAR
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: SunAmerica Series Trust
File Nos. 33-52742 and 811-7238
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, I
hereby represent
that, with respect to the Prospectus and Statement of Additional Information
of the above-
referenced fund dated April 1, 1998, no changes were made from the Prospectus
and Statement of
Additional Information contained in Post-Effective Amendment No. 15 to the
Fund's Registration
Statement on Form N-1A, which was filed with the Securities and Exchange
Commission on
March 27, 1998.
Please provide a Notice of Acceptance for receipt of this filing.
Very truly yours,
_____________________
Robert M. Zakem
Senior Vice President and
General Counsel
