2004–05 Biathlon World Cup

The 2004−05 Biathlon World Cup was a multi-race tournament over a season of biathlon, organised by the International Biathlon Union. The Biathlon World Championships 2005 were part of the Biathlon World Cup.

The men's overall World Cup was won by Norway's Ole Einar Bjørndalen, while Sandrine Bailly of France claimed the women's overall World Cup.