U.S. BANCORP FUND SERVICES, LLC

615 East Michigan Street

Milwaukee, Wisconsin 53202

November 1, 2004

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission

450 Fifth Street, N.W.

Washington, DC 20549

Re:       Advisors Series Trust (the “Trust”)

File Nos.: 333-17391 and 811-07959

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and pursuant to the Investment Company Act of 1940, as amended, and the regulations thereunder, the Trust on behalf of its series, PIA BBB Bond Fund, PIA Total Return Bond Fund, PIA Equity Fund, PIA Short-Term Government Fund, (collectively, the “Funds”), hereby certifies that the forms of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) would not have differed from that contained in the most recent amendment dated October 26, 2004 and filed electronically as Post-Effective Amendment No. 165 to the Trust’s Registration Statement on Form N-1A.

If you have any questions or require further information, do not hesitate to contact the undersigned at (414) 765-5340.

Sincerely,

U.S. BANCORP FUND SERVICES, LLC

/s/ Rodney A. DeWalt

Rodney A. DeWalt, Esq.