June 6, 2019

Sanj Patel
Chief Executive Officer
Kiniksa Pharmaceuticals, Ltd.
100 Hayden Avenue
Lexington, MA 02421

       Re: Kiniksa Pharmaceuticals, Ltd.
           Registration Statement on Form S-3
           Filed June 3, 2019
           File No. 333-231910

Dear Mr. Patel:

       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 Sonia Bednarowski at 202-551-3666 with any questions.



                                                            Sincerely,

                                                            Division of
Corporation Finance
                                                            Office of
Healthcare & Insurance