Petter Thoresen (born 10 March 1966) is a Norwegian orienteering competitor, winner of the 1989 Individual World Orienteering Championships, the Short distance in 1993, and the Classic distance in 1997. He also has a bronze medal on the Classic distance from 1993. Thoresen is two times Relay World Champion, from 1989 and 1999, as well as having a silver medal from 1991 and a bronze medal from 1997. He represented Bækkelagets SK and Halden SK. He won the Jukola relay 5 times between 1988 and 2003, first with Bækkelaget in 1988, and then with Halden SK in 1993, 1997, 1998 and 2003.

Coaching career

Thoresen was coach for the French national orienteering team from 2004 to 2008, and head coach for the Norwegian national team from 2008 to 2013.