1933 Grand Prix season
The 1933 Grand Prix season was the first year of a two-year hiatus for the European Championship. Tazio Nuvolari proved to be the most successful driver, winning seven Grands Prix. Alfa Romeo's cars proved difficult to beat, winning 19 of the season's 36 Grands Prix.
Season review
Grandes Épreuves
| Date | Name | Circuit | Winning drivers | Winning constructor | Report |
| 23 April |  Monaco Grand Prix | Monaco |  Achille Varzi | Bugatti | Report |
| 11 June |  French Grand Prix | Montlhéry | Giuseppe Campari | Maserati | Report |
| 9 July |  Belgian Grand Prix | Spa-Francorchamps | Tazio Nuvolari | Maserati | Report |
| 10 September | Italian Grand Prix | Monza | Luigi Fagioli | Alfa Romeo | Report |
| 24 September |  Spanish Grand Prix | Lasarte | Louis Chiron | Alfa Romeo | Report |
Other Grands Prix
| Date | Name | Circuit | Winning driver | Winning constructor | Report |
| 19 February | Pau Grand Prix | Pau | Marcel Lehoux | Bugatti | Report |
| 26 February |  Swedish Winter Grand Prix | Rämen | Per-Viktor Widengren | Alfa Romeo | Report |
| 5 March | Swedish Ice Race | Hemfjärden |  Paul Pietsch | Alfa Romeo | Report |
| 26 March | Tunis Grand Prix | Carthage Street Circuit | Tazio Nuvolari | Alfa Romeo | Report |
| 30 April | Alessandria Circuit | Alessandria | Tazio Nuvolari | Alfa Romeo | Report |
| 7 May | Tripoli Grand Prix | Mellaha | Achille Varzi | Bugatti | Report |
| 7 May |  Finnish Grand Prix | Eläintarharata | Karl Ebb | Mercedes-Benz | Report |
| 21 May |  Avusrennen | AVUS | Achille Varzi | Bugatti | Report |
| 21 May | Picardy Grand Prix | Péronne | Philippe Étancelin | Alfa Romeo | Report |
| 28 May | Eifelrennen | Nürburgring | Tazio Nuvolari | Alfa Romeo | Report |
| 28 May | Targa Florio | Madonie | Antonio Brivio | Alfa Romeo | Report |
| 4 June | Grand Prix des Frontières | Chimay | Willy Longueville | Bugatti | Report |
| 4 June | Provence Trophy | Nîmes | Marcel Jacob | Bugatti | Report |
| 4 June | Nîmes Grand Prix | Nîmes | Tazio Nuvolari | Alfa Romeo | Report |
| 11 June | Florence Circuit | Florence | Carlo Felice Trossi | Alfa Romeo | Report |
| 11 June |  Lviv Grand Prix | Lviv |  Eugen Bjørnstad | Alfa Romeo | Report |
| 25 June | Penya Rhin Grand Prix | Montjuïc Park |  Juan Zanelli | Alfa Romeo | Report |
| 1 July |  British Empire Trophy | Brooklands | Stanislas Czaykowski | Bugatti | Report |
| 2 July | Grand Prix de la Marne | Reims-Gueux | Philippe Étancelin | Alfa Romeo | Report |
| 14 July | Mannin Moar | Douglas | Brian Lewis | Alfa Romeo | Report |
| 16 July | Dieppe Grand Prix | Dieppe | Marcel Lehoux | Bugatti | Report |
| 30 July | Coppa Ciano | Montenero | Tazio Nuvolari | Maserati | Report |
| 6 August | Swedish Summer Grand Prix | Vram | Antonio Brivio | Alfa Romeo | Report |
| 6 August | Nice Grand Prix | Nice | Tazio Nuvolari | Maserati | Report |
| 13 August | Coppa Acerbo | Pescara | Luigi Fagioli | Alfa Romeo | Report |
| 13 August | La Baule Grand Prix | La Baule | William Grover-Williams | Bugatti | Report |
| 20 August | Grand Prix du Comminges | Saint-Gaudens | Luigi Fagioli | Alfa Romeo | Report |
| 27 August | Marseille Grand Prix | Miramas | Louis Chiron | Alfa Romeo | Report |
| 27 August | Albi Grand Prix | Albi | Louis Braillard | Bugatti | Report |
| 10 September | Monza Grand Prix | Monza | Marcel Lehoux | Bugatti | Report |
| 17 September |  Masaryk Circuit | Brno | Louis Chiron | Alfa Romeo | Report |
| 7 October | Donington Park Trophy | Donington Park | Earl Howe | Bugatti | Report |
| 21 October | Mountain Championship | Brooklands |  Whitney Straight | Maserati | Report |