The 2008 Prix de l'Arc de Triomphe was a horse race held at Longchamp on Sunday 5 October 2008. It was the 87th running of the Prix de l'Arc de Triomphe.
The winner was Zarkava, a three-year-old filly trained in France by Alain de Royer-Dupré. The winning jockey was Christophe Soumillon.
Zarkava had been a doubtful runner because of the soft ground at Longchamp. Her participation was confirmed just before the start.
<div style="font-size:85%">
</div>
Further details of the winner, Zarkava.