2005 Prix de l'Arc de Triomphe
| Location | Longchamp Racecourse |
|---|---|
| Date | October 2, 2005 |
| Winning horse | Hurricane Run |
The 2005 Prix de l'Arc de Triomphe was a horse race held at Longchamp on Sunday 2 October 2005. It was the 84th running of the Prix de l'Arc de Triomphe.
The winner was Hurricane Run, a three-year-old colt trained in France by André Fabre. The winning jockey was Kieren Fallon.