Helmut Kassner (born 26 December 1946, in Dachau) is a German former professional Grand Prix motorcycle road racer.
His best season was in 1974 when he won the 350cc and 250cc German Grand Prix.
[1] The German round was boycotted by the top racers over safety concerns due to a lack of hay bales at the Nürburgring race circuit.
[2] He is the younger brother of Horst Kassner.
This German biographical article related to motorcycle racing is a stub.