SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549



                                    Form 8-K


                                 CURRENT REPORT



                     Pursuant to Section 13 or 15(d) of the

                         Securities Exchange Act of 1934




                                  June 20, 2003
               --------------------------------------------------
               (Date of Report - Date of earliest event reported)





                             KERR-McGEE CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


  Delaware                      1-16619                        73-1612389
--------------           ------------------------          -------------------
 (State of               (Commission File Number)            (IRS Employer
Incorporation)                                             Identification No.)


             Kerr-McGee Center
          Oklahoma City, Oklahoma                                    73125
  ----------------------------------------                         ----------
  (Address of principal executive offices)                         (Zip Code)



                                 (405) 270-1313
                         -------------------------------
                         (Registrant's telephone number)




Item 9.   Regulation FD Disclosure
               On June 20, 2003,  Kerr-McGee  Corporation issued a press release
          announcing that it will hold a conference call on Wednesday,  June 25,
          2003,  at 11:00 a.m. (ET) to discuss its interim  second-quarter  2003
          financial and operating  activities,  and expectations for the future.
          Interested parties may listen to the call via Kerr-McGee's  website at
          www.kerr-mcgee.com  or by  calling  888-482-0024,  within  the  United
          States or  617-801-9702,  outside the United States.  The password for
          both  dial-in  numbers  will be  "Kerr-McGee".  The press  release  is
          attached hereto as an exhibit and is incorporated by reference herein.

Item 7.   Financial Statements, Pro Forma Financial Information and Exhibits

          (c) Exhibits

          99.1 Press Release dated June 20, 2003

                                   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.


                                                   KERR-MCGEE CORPORATION


                                             By:   (John M. Rauh)
                                                   -----------------------------
                                                   John M. Rauh
                                                   Vice President and Controller

Dated: June 20, 2003