July 3, 2024 Gerard Michel Chief Executive Officer Delcath Systems, Inc. 566 Queensbury Avenue Queensbury, NY 12804 Re: Delcath Systems, Inc. Registration Statement on Form S-3 Filed June 28, 2024 File No. 333-280551 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 Robert Augustin at 202-551-8483 with any questions. Sincerely, Division of Corporation Finance Office of Industrial Applications and Services cc: Ryan Sansom