|Intro||German officer and Knight's Cross recipient|
|Birth||17 March 1897, Bolesławiec, Bolesławiec County, Lower Silesian Voivodeship, Poland|
|Death||28 January 1960, Dortmund, Arnsberg Government Region, North Rhine-Westphalia, Germany (aged 62 years)|
Helmut Kassner (born 26 December 1946) is a German former professional Grand Prix motorcycle road racer. His best season was in 1974 when he won the 500cc German Grand Prix. The German round was boycotted by the top racers over safety concerns due to a lack of hay bales at the Nürburgring race circuit.