United States securities and exchange commission logo April 24, 2024 Samuel Kintz Chief Executive Officer Enliven Therapeutics, Inc. 6200 Lookout Road Boulder, CO 80301 Re: Enliven Therapeutics, Inc. Registration Statement on Form S-3 Filed April 18, 2024 File No. 333-278801 Dear Samuel Kintz: 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 Doris Stacey Gama at 202-551-3188 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Rachel Nagashima, Esq.