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

                                November 7, 2000
                Date of Report (Date of earliest event reported)



                          CARRIER 1 INTERNATIONAL S.A.
             (Exact name of registrant as specified in its charter)


                                   LUXEMBOURG
                 (State or other jurisdiction of incorporation)

       001-15693                                         98-0199626
(Commission File Number)                       (IRS Employer Identification No.)


                                 ROUTE D'ARLON 3
                           L-8009 STRASSEN, LUXEMBOURG
               (Address of principal executive offices) (Zip code)


                              (011) (41-1) 297 2600
               (Registrant's telephone number, including area code)



         In this report, "Carrier1 International" refers to Carrier 1
International S.A., a societe anonyme organized under the laws of the Grand
Duchy of Luxembourg, and "Carrier1," "we," "our" and "us" refers to Carrier1
International and its subsidiaries and their predecessors, except where the
context otherwise requires. In our filings with the United States Securities
Commission in "EDGAR" format, the symbol for the euro may be represented by
"(u)", "e", "[euro]", or similar symbol.

ITEM 5.  OTHER EVENTS

         On November 7, 2000 Carrier 1 issued a press release announcing its
financial results and other data for the quarter ended September 30, 2000 as
more fully described in the press release, a copy of which is filed as Exhibit
99.1 hereto and which information is incorporated herein by reference.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

(a)      Financial Statements of business acquired. Not applicable

(b)      Pro Forma Financial Information. Not applicable.

(c)      Exhibits

         99.1  Press Release dated November 7, 2000




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                                   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.

                                 CARRIER 1 INTERNATIONAL S.A.

                                 By: /s/ KEES VAN OPHEM
                                     --------------------------------
                                     Name: Kees van Ophem
                                     Title: Executive Vice President,
                                            Corporate Services, and
                                            General Counsel

Dated: November 7, 2000







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                                INDEX TO EXHIBITS


EXHIBIT
NUMBER         DESCRIPTION
- -------        -----------

99.1           Press Release dated November 7, 2000.






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