Werner Marti (born 25 December 1989) is a Swiss ski mountaineer. He is a two-time World Champion
Marti competed at the 2019 World Championships and won a gold medal in the vertical race, with a time of 25:19.0 He also won a gold medal in the team race, along with Rémi Bonnet, with a time of 50:37.0.
Marti competed at the 2022 European Championships and won a gold medal in the vertical race with a time of 22:55. He also won a gold medal in the individual race with a time of 1:23.53.5.