Aridis Pharmaceuticals, Inc.

983 University Avenue, Bldg. B

Los Gatos, CA 95032

August 24, 2021

VIA EDGAR

United States Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: Dillon Hagius

Re:	Aridis Pharmaceuticals, Inc.
	Registration Statement on Form S-3
	Filed August 13, 2021
	File No. 333-258809

Ladies and Gentlemen:

Pursuant to Rule 461 of the General Rules and Regulations under the Securities Act of 1933, as amended, Aridis Pharmaceuticals, Inc. (the “Company”) respectfully requests that the effective date of the registration statement referred to above be accelerated so that it will become effective at 5:00 p.m., Eastern Daylight Time, on Thursday, August 26, 2021, or as soon thereafter as possible.

Please notify Jeffrey Fessler of Sheppard, Mullin, Richter & Hampton LLP, counsel to the Company, at (212) 634-3067 as soon as possible as to the time the Registration Statement has been declared effective pursuant to this acceleration request.

ARIDIS PHARMACEUTICALS, INC.
By:	/s/ Vu L. Truong
Name:	Vu L. Truong
Title:	Chief Executive Officer