UCI Track Cycling World Championships – Men's keirin

The UCI Track Cycling World Championships – Men's keirin is the world championship Keirin event held annually at the UCI Track Cycling World Championships. It was first held at the 1980 championships in Besançon, France. , Chris Hoy from Great Britain has the most titles with four, as well as being the only man to win the World and Olympic titles in the same year, which he achieved twice, in 2008 and 2012.