UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                               ------------------
                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER
                        PURSUANT TO RULE 13a-16 OR 15d-16
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               ------------------
                         For the month of September 2004

                        Commission File Number: 001-31368

                                 SANOFI-AVENTIS
                 (Translation of registrant's name into English)

                   174, avenue de France, 75013 Paris, FRANCE
                    (Address of principal executive offices)

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

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

     Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(1): _____

     Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(7): _____

     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" 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 deemed to be  incorporated  by  reference
into  Sanofi-Aventis'   (formerly  known  as   Sanofi-Synthelabo)   Registration
Statement on Form F-4 (Registration No. 333-112314), as post-effectively amended
and declared effective on May 13, 2004 by the United States Securities  Exchange
Commission, and the related prospectus,  dated April 9, 2004, and the prospectus
supplement,  dated May 27,  2004,  each filed  pursuant to Rule 424(b) under the
United States Securities Act of 1933, as amended, and shall be part thereof from
the date on which  this  Report  is  filed,  to the  extent  not  superseded  by
documents or reports subsequently filed or furnished.




     On September 6, 2004 and  September 7, 2004,  respectively,  Sanofi-Aventis
(formerly  known as  Sanofi-Synthelabo)  issued the two press releases  attached
hereto as Exhibit 99.1 and Exhibit 99.2, each of which is incorporated herein by
reference.

                                  EXHIBIT LIST

Exhibit No.                       Description
----------                        -----------

Exhibit 99.1       Press Release, dated September 6, 2004, announcing management
                   appointments

Exhibit 99.2       Press Release, dated September 7, 2004, announcing closing of
                   subsequent offering periods in the French, U.S. and German
                   Offers





                                   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.


Dated: September 7, 2004                  SANOFI-AVENTIS


                                          By:       /s/ Jean-Claude Leroy
                                               ---------------------------------
                                               Name:    Jean-Claude Leroy
                                               Title:   Senior Vice President &
                                                        Chief Financial Officer





                                  EXHIBIT INDEX

--------------------------------------------------------------------------------
Exhibit No.                       Description
----------                        -----------
--------------------------------------------------------------------------------
Exhibit 99.1       Press Release, dated September 6, 2004, announcing management
                   appointments
--------------------------------------------------------------------------------
Exhibit 99.2       Press Release, dated September 7, 2004, announcing closing of
                   subsequent offering periods in the French, U.S. and German
                   Offers
--------------------------------------------------------------------------------