United States securities and exchange commission logo October 13, 2021 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 October 6, 2021 File No. 333-260097 Dear Mr. 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 Michael Davis at 202-551-4385 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Veronica Montagna, Esq.