September 15, 2025 Lior Tal Chief Executive Officer Cyngn Inc. 1344 Terra Bella Mountain View, CA 94043 Re: Cyngn Inc. Registration Statement on Form S-3 Filed September 5, 2025 File No. 333-290079 Dear Lior Tal: 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 Charli Wilson at 202-551-6388 with any questions. Sincerely, Division of Corporation Finance Office of Technology cc: Marcelle Balcombe