The FIS Nordic World Ski Championships 2015 took place between 18 February and 1 March 2015 in Falun, Sweden. This was the fourth time the event is held there, having previously been held there in 1954, 1974 and 1993. In 1980, one World Ski Championship race was held there as well, to make up for its exclusion from the Olympic Games the same year.

Falun is a city and the seat of Falun Municipality in Dalarna County, Sweden, with 37,291 inhabitants in 2010. It is also the capital of Dalarna County. Falun forms, together with Borlänge, a metropolitan area with just over 100,000 inhabitants.