Advisors Series Trust

c/o U.S. Bancorp Fund Services, LLC

615 E. Michigan Street

Milwaukee, Wisconsin 53202

April 4, 2018

VIA EDGAR TRANSMISSION

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C.  20549

Re:          Advisors Series Trust (the "Trust")

File Nos.: 333-17391 and 811-07959

PIA BBB Bond Fund (S000005064)

PIA MBS Bond Fund (S000005067)

PIA High Yield (MACS) Fund (S000029825)

PIA High Yield Fund (S000029824)

PIA Short-Term Securities Fund (S000005065)

PIA Short Duration Bond Fund (S000038165)

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, the Investment Company Act of 1940, as amended, and the regulations thereunder, the Trust on behalf of its series, PIA BBB Bond Fund, PIA MBS Bond Fund, PIA High Yield (MACS) Fund, PIA High Yield Fund, PIA Short-Term Securities Fund and PIA Short Duration Bond Fund (the "Funds"), hereby certifies that the forms of Prospectuses and Statements 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 March 30, 2018, and filed electronically as Post-Effective Amendment No. 826 to the Trust's Registration Statement on Form N‑1A on March 27, 2018.

If you have any questions concerning the foregoing, please do not hesitate to contact the undersigned at (414) 765-6872.

Sincerely,

/s/ Emily R. Enslow

Emily R. Enslow, Esq.

Secretary

Advisors Series Trust