United States securities and exchange commission logo August 18, 2021 Roger Crystal Chief Executive Officer Opiant Pharmaceuticals, Inc. 233 Wilshire Blvd., Suite 280 Santa Monica, CA 90401 Re: Opiant Pharmaceuticals, Inc. Registration Statement on Form S-3 Filed August 13, 2021 File No. 333-258813 Dear Dr. Crystal: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Dillon Hagius at 202-551-7967 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Elton Satusky