Prospectus Supplement                          Filed Pursuant to Rule 424(b)(3)
(To Prospectus dated October 12, 2000)         Registration Number 333-44960

                                  $805,000,000

                         Diamond Offshore Drilling, Inc.

               Zero Coupon Convertible Debentures Due June 6, 2020
                   -------------------------------------------

         This prospectus supplement relates to the resale by the holders of our
Zero Coupon Convertible Debentures Due June 6, 2020 and the shares of our common
stock issuable upon the conversion of the debentures.

         This prospectus supplement should be read in conjunction with, and may
not be delivered or utilized without, the prospectus dated October 12, 2000. The
terms of the debentures are set forth in the prospectus.

         The information in the table appearing under the heading "Selling
Securityholders" in the prospectus is amended by adding the information below
with respect to persons not previously listed in the prospectus and by
supplementing the information with respect to other persons previously listed in
the prospectus that are listed below.


                                                            Principal Amount at                                Number of
                                                          Maturity of Debentures       Percentage of       Conversion Shares
                                                            Beneficially Owned          Debentures               That
Name (1)                                                     That May Be Sold           Outstanding         May Be Sold (2)
- --------                                                     ----------------           -----------         ---------------
                                                                                                             
Lehman Brothers Inc. ...............................        $        150,000               .02%                       1,291



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(1) Information concerning other selling holders of Debentures will be set forth
in prospectus supplements from time to time, if required.

(2) The conversion shares do not total 6,929,038 shares due to rounding
resulting from the elimination of fractional shares.

                     --------------------------------------

            The date of this prospectus supplement is April 17, 2002.