United States securities and exchange commission logo

                          November 6, 2020

       Brian Wong, M.D., Ph.D.
       President and Chief Executive Officer
       RAPT Therapeutics, Inc.
       561 Eccles Avenue
       South San Francisco, California 94080

                                                        Re: RAPT Therapeutics,
Statement on Form S-3
                                                            Filed November 4,
                                                            File No. 333-249848

       Dear Dr. Wong:

              This is to advise you that we have not reviewed and will not
review your registration

               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 Alan
Campbell at 202-551-4224 with any questions.


                          Division of Corporation Finance

                          Office of Life Sciences
       cc:                                              Ryan James