Marco Siffredi, born May 22, 1979 in Chamonix-Mont-Blanc and died on Everest September 8, 2002, is a French snowboarder and mountaineer. Marco Siffredi was born on May 22, 1979 in Chamonix-Mont-Blanc.

He is the youngest of a family of mountaineers. Her father Philippe is a hairdresser in Chamonix and a high mountain guide. He grew up in the shadow of his brother Pierre, who died in an avalanche in 1981.