UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

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

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

        Date of report (Date of earliest event reported): JUNE 14, 2005


                         DIAMOND OFFSHORE DRILLING, INC.
               (Exact Name of Registrant as Specified in Charter)



         DELAWARE                      1-13926                  76-0321760      
(State or Other Jurisdiction    (Commission File Number)       (IRS Employer
     of Incorporation)                                       Identification No.)


                               15415 KATY FREEWAY
                              HOUSTON, TEXAS 77094
              (Address of Principal Executive Offices and Zip Code)

       Registrant's telephone number, including area code: (281) 492-5300

                                 NOT APPLICABLE
          (Former name or former address, if changed since last report)


      Check the appropriate line below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities 
    Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange 
    Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))

ITEM 8.01. OTHER EVENTS

      On June 14, 2005, Diamond Offshore Drilling, Inc. issued a press release
announcing that it had closed the private placement of $250 million principal
amount of its 4.875% senior unsecured notes due July 1, 2015.

      Filed herewith is a copy of such press release.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS

      (c) Exhibits.


 Exhibit number   Description
 --------------   -----------
      99.1        Press release of June 14, 2005



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                                   SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                    DIAMOND OFFSHORE DRILLING, INC.


                                    By: /s/ William C. Long
                                        -------------------------------
                                        William C. Long
                                        Vice President, General Counsel and 
                                        Secretary

Dated: June 14, 2005



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                                  EXHIBIT INDEX




 Exhibit number   Description
 --------------   -----------
      99.1        Press release of June 14, 2005