1
                                                                    Exhibit 23.1





                         Consent of Independent Auditors


We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 333-64167) pertaining to the 1998 Employee Stock Purchase Plan, in the
Registration Statement (Form S-8 No. 333-57781) pertaining to the 1997 Stock
Option Plan and the 1998 Non-Employee Directors' Stock Election Plan, in the
Registration Statement (Form S-8 No. 33-88426 and No. 333-27835) pertaining to
the 1994 Stock Option Plan and in the Registration Statement (Form S-8 No.
333-27831) pertaining to the 1996 Non-Employee Directors' Stock Option Plan and
the 1992 Outside Directors' Director Stock Unit Plan, of GTECH Holdings
Corporation of our report dated March 27, 2000, with respect to the consolidated
financial statements of GTECH Holdings Corporation included in the Annual Report
(Form 10-K) for the fiscal year ended February 26, 2000.



                                                              ERNST & YOUNG LLP

Boston, Massachusetts
May 1, 2000