Karl Johan Rasmussen (born 10 October 1973) is a Norwegian long-distance runner who specialized in marathon races.
He has represented SK Vidar, Bislett FIK and Haugesund IL.
He finished eighth at the 2002 European Championships in Munich, having been in silver medal position until the last three kilometres of the race.
[4] He is currently teaching social science, history and gymnastics classes at Skeisvang Videregående Skole in Haugesund, Norway.
This biographical article relating to Norwegian athletics is a stub.