United States securities and exchange commission logo January 26, 2023 Eric Schlorff Chief Executive Officer SeaStar Medical Holding Corp 3513 Brighton Blvd, Suite 410 Denver, CO 80216 Re: SeaStar Medical Holding Corp Registration Statement on Form S-1 Filed January 20, 2023 File No. 333-269338 Dear Eric Schlorff: 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 Jordan Nimitz at 202-551-5831 with any questions. Sincerely, Division of Corporation Finance Office of Industrial Applications and Services