September 7, 2018 Thomas Soloway Chief Financial Officer Audentes Therapeutics, Inc. 600 California Street, 17th Floor San Francisco, CA 94108 Re: Audentes Therapeutics, Inc. Form 10-K for the Fiscal Year Ended December 31, 2017 Filed March 9, 2018 File No. 001-37833 Dear Mr. Soloway: We have completed our review of your filing. 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. Sincerely, Division of Corporation Finance Office of Healthcare & Insurance