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                        June 1, 2022

       CERTIFIED MAIL
       RETURN RECEIPT REQUESTED

       Bernie G. Wolford, Jr.
       President and Chief Executive Officer
       DIAMOND OFFSHORE DRILLING, INC.
       15415 Katy Freeway, Suite 100
       Houston, TX 77094

                                                        Re: DIAMOND OFFSHORE
DRILLING, INC.
                                                            Amendment No. 1 to
Registration Statement on Form S-1
                                                            Filed August 27,
2021
                                                            File No. 333-257281

       Dear Mr. Wolford:

               It has been more than nine months since you last amended this
registration statement and
       it is now out of date. Within 30 days from the date of this letter, you
should either:

                                                  amend it to comply with the
applicable requirements of the Securities Act of 1933, the rules
                                                and regulations under the Act,
and the requirements of the form; or

                                                  file a request for
withdrawal.

               If you requested confidential treatment for portions of any
exhibits to your registration
       statement and you request withdrawal of that registration statement,
please submit a concurrent
       request for withdrawal of your application for confidential treatment.

              If you do not amend the registration statement or file a request
for withdrawal (or provide
       us with a satisfactory explanation of why you have not done either)
within 30 days, we may enter
       an order declaring the registration statement abandoned under rule 479
of the Act. Please contact
       Liz Packebusch, Staff Attorney, at (202) 551-8749 with any questions.




                        Sincerely,


                        Division of Corporation Finance

                        Office of Energy & Transportation