UNITED STATES 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

         DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED):  MAY 12, 2005


                                KIRBY CORPORATION
             (Exact name of registrant as specified in its charter)

            NEVADA                        1-7615                 74-1884980
(State or other jurisdiction of   (Commission File Number)    (I.R.S. Employer
 incorporation or organization)                              Identification No.)

     55 WAUGH DRIVE, SUITE 1000                                   77007
          HOUSTON, TEXAS                                        (Zip Code)
(Address of principal executive offices)

               REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:
                                 (713) 435-1000


Check  the  appropriate  box  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 7.01.  Regulation FD Disclosure.
            ------------------------

     On  May  19,  2005,  Kirby  Corporation's  senior  management  will  make a
presentation  to  investors  and  analysts  from  2:00 p.m. (Eastern time) until
approximately  5:20 p.m. (Eastern time) in New York City.  A live webcast of the
presentation  will  be  available  to  the  public and replays will be available
afterward.  The  webcast  can  be  accessed  by  visiting  Kirby's  Web  site at
http://www.kirbycorp.com/  or  by  following  the  link  below and selecting the
------------------------
streaming  audio  option:

     http://invite.mshow.com/findshow.aspx?usertype=0&cobrand=100&shownumber=235
     ---------------------------------------------------------------------------
506
---

     Reference:  Kirby  Corporation  Analyst  Day,  show  number  235506

     Copies  of  materials  prepared  by  Kirby  for  the  presentation  will be
available  on  May 19, 2005 on Kirby's Web site and in a Form 8-K to be filed by
Kirby  with  the  Securities  and  Exchange  Commission  on  that  date.

Item 9.01.  Financial Statements and Exhibits.
            ---------------------------------

     (c)  Exhibits

          99.1  Press Release dated May 12, 2005


                                   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  thereunto  duly  authorized.

                                    KIRBY CORPORATION
                                    (Registrant)

                                    By:       /s/ NORMAN W. NOLEN
                                       -----------------------------------------
                                                  Norman W. Nolen
                                       Executive Vice President, Treasurer
                                           and Chief Financial Officer

Dated:  May 12, 2005



                                  EXHIBIT INDEX



Exhibit 99.1   Press release dated May 12, 2005