The 2008 World Orienteering Championships, the 25th World Orienteering Championships, were held in Olomouc in the Czech Republic, 10–20 July 2008.

The World Orienteering Championships is an annual orienteering event organized by the International Orienteering Federation. The first World Championships was held in Fiskars, Finland in 1966. They were held biennially up to 2003. Since 2003, competitions have been held annually. Participating nations have to be members of the International Orienteering Federation (IOF).