May 6, 2025 Shantanu Gaur Chief Executive Officer Allurion Technologies, Inc. 11 Huron Drive Natick, MA 01760 Re: Allurion Technologies, Inc. Registration Statement on Form S-3 Filed April 30, 2025 File No. 333-286837 Dear Shantanu Gaur: 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 Juan Grana at 202-551-6034 with any questions. Sincerely, Division of Corporation Finance Office of Industrial Applications and Services cc: Jeffrey A. Letalien, Esq.