Dennis Brunod (born 16 June 1978 in Aosta) is an Italian ski mountaineer, mountain and skyrunner.

Born in Aosta but living in Châtillon, Brunod added ski mountaineering to his favorite sports in 2000, when he first competed in the Mountain Attack race in Saalbach.

He was member of the Italian national team after 2002.

Brunod won the Mezzalama Skyrace in 2004, and from 2006 to 2008.