United States securities and exchange commission logo January 31, 2024 Shoshana Shendelman President and Chief Executive Officer Applied Therapeutics Inc. 545 Fifth Avenue, Suite 1400 New York, NY 10017 Re: Applied Therapeutics Inc. Form 10-K for the Fiscal Year Ended December 31, 2022 Filed March 23, 2023 File number 001-38898 Dear Shoshana Shendelman: We have completed our review of your filing. 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. Sincerely, Division of Corporation Finance Office of Life Sciences