Hennessy Advisors, Inc.

7250 Redwood Blvd., Suite 200

Novato, California 94945

January 3, 2024

Via EDGAR

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C.  20549

Re: Hennessy Advisors, Inc.
Registration Statement on Form S-3
Filed December 8, 2023
File No. 333-275964

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended, the undersigned registrant, Hennessy Advisors, Inc., hereby requests that the above-referenced Registration Statement on Form S-3 be declared effective at 10:00 a.m., Eastern Time, on January 8, 2024, or as soon as practicable thereafter.  For purposes of Rules 460 and 461, there is no underwriter.

* * *

 Very truly yours,

HENNESSY ADVISORS, INC.

By: /s/ Jennifer Emerson             

      Jennifer Emerson

      General Counsel