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 December 2004


                                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. 333-12658).




                                    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: December 13, 2004                        By /s/ JAIME ALBERTO VELASQUEZ B.
                                                  ------------------------------
                                               Name:  Jaime Alberto Velasquez B.
                                               Title: Vice President of Finance

[BANCOLOMBIA LOGO]

           BANCOLOMBIA REPORTS UNCONSOLIDATED NET INCOME OF PS 391,185
                 MILLION DURING THE FIRST ELEVEN MONTHS OF 2004

MEDELLIN, COLOMBIA. DECEMBER 13, 2004*


BANCOLOMBIA reported unconsolidated net income of Ps 36,551 million for the
month ended November 30, 2004. For the eleven months ended November 30, 2004 the
Bank reported accumulated net income of Ps 391,185 million, 38.8% higher than
for the same period in 2003.

Total net interest income, including investment securities, amounted to Ps
86,382 million in November 2004 and Ps 867,672 million for the eleven-month
period ended November 30, 2004. Additionally, total net fees and income from
services amounted to Ps 28,446 million in November 2004 and Ps 287,087 million
for the eleven-month period ended November 30, 2004.

Total assets amounted to Ps 13.65 trillion in November 2004, 28.4% higher than
the reported in November 2003. Total deposits increased approximately 26.1% to
Ps 8.3 trillion over the last twelve months. BANCOLOMBIA's total shareholders'
equity amounted to Ps 1.89 trillion in November 2004, which constitutes a 25.6%
increase over the Ps 1.5 trillion reported in November 2003.

BANCOLOMBIA's (unconsolidated) level of past due loans as a percentage of total
loans was 1.51% as of November 30, 2004, and the level of allowance for past due
loans was 280%.

MARKET SHARE

According to ASOBANCARIA (Colombia's national banking association),
BANCOLOMBIA's market share of the Colombian Financial System in November 2004
was as follows: 12.4% of total deposits, 14.4% of total net loans, 10.2% of
total savings accounts, 18.1% of total checking accounts and 12.1% of total time
deposits.




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  * This report corresponds to the interim financial statements of BANCOLOMBIA,
  which are subject to review by the Superintendency of Banking. The information
  contained herein has been prepared in accordance with generally accepted
  accounting principles (GAAP) in Colombia, and is expressed in nominal terms
  and has not been audited.
  CAUTIONARY NOTE REGARDING FORWARD LOOKING STATEMENTS
  This release contains statements that may be considered forward-looking
  statements within the meaning of Section 27A of the U.S. Securities Act of
  1933 and Section 21E of the U.S. Securities Exchange Act of 1934. All
  forward-looking statements, whether made in this release or in future filings
  or press releases or orally, address matters that involve risks and
  uncertainties; consequently, there are or will be factors that could cause
  actual results to differ materially from those indicated in such statements.

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Contacts
JAIME A. VELASQUEZ      MAURICIO BOTERO         FAX: (574) 2317208
FINANCIAL VP            IR MANAGER              WWW.BANCOLOMBIA.COM
TEL.: (574) 5108666     TEL.: (574) 5108866     INVESTORRELATIONS@BANCOLOMBIA.CO