CONFORMED COPY


                       SECURITIES AND EXCHANGE COMMISSION
                              Washington D.C. 20549


                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER
                      Pursuant to Rule 13a-16 or 15d-16 of
                       the Securities Exchange Act of 1933



                           For the month of July 2005




                                BANCOLOMBIA S.A.
                 -----------------------------------------------
                 (Translation of Registrant's name into English)


                               Calle 50 No. 51-66
                               MEDELLIN, COLOMBIA
                    ----------------------------------------
                    (Address of principal executive offices)




(Indicate by check mark whether the registrant files or will file annual reports
under cover of Form 20-F or Form 40-F.)

                  Form 20-F [X]                  Form 40-F [ ]


(Indicate by check mark whether the registrant by furnishing the information
contained in this form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of
1934.)


                     Yes  [ ]                       No [X]
                  

(If "Yes" is marked, indicate below the file number assigned to the registrant
in connection with Rule 12g3-2(b): 82-             .)
                                      -------------










This Report on Form 6-K shall be incorporated by reference into the registrant's
registration statement on Form F-3 (File No. 001-32535).
















                                    SIGNATURE

     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.

                                    BANCOLOMBIA S.A.
                                    (Registrant)




Date: July 22, 2005                 By /s/ JAIME ALBERTO VELASQUEZ B.
                                       ----------------------------------
                                       Name:  Jaime Alberto Velasquez B.
                                       Title: Vice President of Finance



                    BANCOLOMBIA, CONAVI & CORFINSURA'S MERGER

In compliance with Resolution 571 of July 14, 2005 issued by the Superintendency
of  Securities,  Bancolombia  discloses  that the  entities  intend to issue the
public  deed by which the merger of  BANCOLOMBIA,  CONAVI and  CORFINSURA  (post
spin-off) will be completed on July 30, 2005 and request its  publication in the
commercial register of the Chamber of Commerce of Medellin on August 1, 2005.

Additionally,  Corfinsura  has disclosed its intention to formalize its spin-off
on July 29,  2005,  through  the  issue of the  spin-off's  public  deed and the
request  for its  publication  in the  commercial  register  of the  Chamber  of
Commerce of Medellin.