List of Grand Prix motorcycle racing World champions

Grand Prix motorcycle racing is the premier championship of motorcycle road racing, which has been divided into three classes since the 1990 season: 125cc, 250cc and MotoGP. Classes that have been discontinued include 350cc and 50cc/80cc. The Grand Prix Road-Racing World Championship was established in 1949 by the sport's governing body, the Fédération Internationale de Motocyclisme (FIM), and is the oldest motorsport World Championship.

List of Grand Prix motorcycle racing World champions

Grand Prix motorcycle racing is the premier championship of motorcycle road racing, which has been divided into three classes since the 1990 season: 125cc, 250cc and MotoGP. Classes that have been discontinued include 350cc and 50cc/80cc. The Grand Prix Road-Racing World Championship was established in 1949 by the sport's governing body, the Fédération Internationale de Motocyclisme (FIM), and is the oldest motorsport World Championship.