Grands Prix
| Round | Race | Location | 50cc winner | 125cc winner | 250cc winner | 500cc winner | Report |
|---|---|---|---|---|---|---|---|
| 1 | South African Grand Prix | Kyalami | Jean-François Baldé | Freddie Spencer | Report | ||
| 2 | French Grand Prix | Le Mans | Stefan Dörflinger | Ricardo Tormo | Alan Carter | Freddie Spencer | Report |
| 3 | Nations Grand Prix | Monza | Eugenio Lazzarini | Ángel Nieto | Carlos Lavado | Freddie Spencer | Report |
| 4 | German Grand Prix | Hockenheim | Stefan Dörflinger | Ángel Nieto | Carlos Lavado | Kenny Roberts | Report |
| 5 | Spanish Grand Prix | Jarama | Eugenio Lazzarini | Ángel Nieto | Hervé Guilleux | Freddie Spencer | Report |
| 6 | Austrian Grand Prix | Salzburgring | Ángel Nieto | Manfred Herweh | Kenny Roberts | Report | |
| 7 | Yugoslavian Grand Prix | Rijeka | Stefan Dörflinger | Bruno Kneubühler | Carlos Lavado | Freddie Spencer | Report |
| 8 | Dutch TT | Assen | Eugenio Lazzarini | Ángel Nieto | Carlos Lavado | Kenny Roberts | Report |
| 9 | Belgian Grand Prix | Spa | Eugenio Lazzarini | Didier de Radiguès | Kenny Roberts | Report | |
| 10 | British Grand Prix | Silverstone | Ángel Nieto | Jacques Bolle | Kenny Roberts | Report | |
| 11 | Swedish Grand Prix | Anderstorp | Bruno Kneubühler | Christian Sarron | Freddie Spencer | Report | |
| 12 | San Marino Grand Prix | Imola | Ricardo Tormo | Maurizio Vitali | Kenny Roberts | Report |
Read more about this topic: 1983 Grand Prix Motorcycle Racing Season