1931 Grand Prix season Non-championship Grands Prix Non-championship Grands Prix

| Name_ | Circuit | Date_ | Winning_driver | Winning_constructor | Report |
|---|---|---|---|---|---|
| Eifelrennen | Nürburgring | 7 June | Rudolf Caracciola | Mercedes-Benz | Report |
| Grand Prix de la Marne | Reims | 5 July | Marcel Lehoux | Bugatti | Report |
| Circuit du Vaucluse | Avignon | 5 July | Frédéric Toselli | Bugatti | Report |
| German Grand Prix | Nürburgring | 19 July | Rudolf Caracciola | Mercedes-Benz | Report |
| Dieppe Grand Prix | Dieppe | 26 July | Philippe Étancelin | Alfa Romeo | Report |
| Coppa Ciano | Montenero | 2 August | Tazio Nuvolari | Alfa Romeo | Report |
| Avusrennen | AVUS | 2 August | Rudolf Caracciola | Mercedes-Benz | Report |
| Circuit du Dauphiné | Grenoble | 2 August | Philippe Étancelin | Alfa Romeo | Report |
| Grand Prix du Comminges | Saint-Gaudens | 16 August | Philippe Étancelin | Alfa Romeo | Report |
| Coppa Acerbo | Pescara | 16 August | Giuseppe Campari | Alfa Romeo | Report |