Marc Lauenstein (born September 15, 1980 in Cormondréche, Neuchâtel) is a Swiss orienteering competitor and runner.

He received a silver medal on the long distance at the 2005 World Orienteering Championships in Aichi, and again in Aarhus in 2006.

[1] He earned a bronze medal in 2005 as a member of the Swiss relay team.

[1] Lauenstein won the World Long Distance Mountain Running Challenge in 2009 at the Kaisermarathon.

[7] Later the same year, he won Giir di Mont from Premana on a route altered by bad weather[8] and followed this with a victory at the Matterhorn Ultraks race in the Skyrunner World Series.