Exhibit 32.1
                                  CERTIFICATION

Pursuant to 18 U.S.C. 1350 as adopted by Section 906 of the  Sarbanes-Oxley  Act
of 2002

     In connection with the Quarterly Report of Tiffany & Co. (the "Company") on
Form 10-Q for the period ended July 31, 2006, as filed with the  Securities  and
Exchange  Commission on the date hereof (the "Report"),  I, Michael J. Kowalski,
as  Chairman  of the Board of  Directors  and  Chief  Executive  Officer  of the
Company,  certify, pursuant to 18 U.S.C. ss 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

1.   The Report fully complies with the  requirements  of Section 13(a) or 15(d)
of the Securities Exchange Act of 1934; and

2. The  information  contained in the Report  fairly  presents,  in all material
respects, the financial condition and results of operations of the Company.


Dated:   September 1, 2006



                                       /s/ Michael J. Kowalski
                                  ---------------------------------------
                                   Chairman and Chief Executive Officer
                                       (principal executive officer)