United States securities and exchange commission logo June 21, 2023 Gerard Michel Chief Executive Officer Delcath Systems, Inc. 1633 Broadway, Suite 22C New York, New York 10019 Re: Delcath Systems, Inc. Registration Statement on Form S-3 Filed June 15, 2023 File No. 333-272659 Dear Gerard Michel: 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 Jane Park at 202-551-7439 with any questions. Sincerely, Division of Corporation Finance Office of Industrial Applications and Services cc: Christina Roupas, Esq.