1999 Prix de l'Arc de Triomphe

1999 Prix de l'Arc de Triomphe
LocationLongchamp Racecourse
DateOctober 3, 1999 (1999-10-03)
Winning horseMontjeu

The 1999 Prix de l'Arc de Triomphe was a horse race held at Longchamp on Sunday 3 October 1999. It was the 78th running of the Prix de l'Arc de Triomphe.

The winner was Montjeu, a three-year-old colt trained in France by John Hammond. The winning jockey was Michael Kinane.