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): February 19, 1998

                               Omnicom Group Inc.
             (Exact name of registrant as specified in its charter)

                                    New York
                 (State or other jurisdiction of incorporation)

        1-10551                                         13-1514814
(Commissioner File Number)                  (IRS Employer Identification Number)

                               437 Madison Avenue
                            New York, New York 10022
               (Address of principal executive offices) (Zip Code)

       Registrant's telephone number, including area code: (212) 415-3600




Item 5.   Other Events

      On February 19, 1998, Omnicom Group Inc. issued the press release attached
hereto as Exhibit 99 and incorporated herein by reference.

Item 7.   Financial Statements and Exhibits.

      (c) Exhibits. The following exhibits accompany this Report:

       Exhibit Number                     Exhibit Description
       --------------                     -------------------
             99         Omnicom Group Inc. press release dated February 19, 1998
             
                                   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.

                                              OMNICOM GROUP INC.

Date:  March 4, 1998                          By:  /s/ Barry J. Wagner
                                                  --------------------
                                                   Barry J. Wagner
                                                   Secretary and General Counsel


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