The 1946 Grand Prix season was the first post-war year for Grand Prix motor racing . It was notable for including the first ever race run to Formula One criteria, the 1946 Turin Grand Prix . There was no organised championship in 1946, although Raymond Sommer proved to be the most successful driver, winning five Grands Prix. Maserati 's cars proved difficult to beat, winning 9 of the season's 18 Grand Prix races.
Table 1
| Date | Name | Circuit | Winning driver | Winning constructor | Report |
|---|---|---|---|---|---|
| 22 April | Nice Grand Prix | Nice | Luigi Villoresi | Maserati | Report |
| 12 May | Marseille Grand Prix | Prado | Raymond Sommer | Maserati | Report |
| 19 May | Forez Grand Prix | St Just-Andrezieux | Raymond Sommer | Maserati | Report |
| 30 May | Paris Cup | Bois de Boulogne | Jean-Pierre Wimille | Alfa Romeo | Report |
| 8 June | Grand Prix des Frontières | Chimay | Leslie Brooke | ERA | Report |
| 9 June | René le Bègue Cup | Saint-Cloud | Raymond Sommer | Maserati | Report |
| 15 June | Gransden Lodge | Gransden Lodge Airfield | Reg Parnell | Bugatti | Report |
| 30 June | Roussillon Grand Prix | Perpignan | Jean-Pierre Wimille | Alfa Romeo | Report |
| 7 July | Burgundy Grand Prix | Dijon | Jean-Pierre Wimille | Alfa Romeo | Report |
| 14 July | Albi Grand Prix | Albi (Les Planques) | Tazio Nuvolari | Maserati | Report |
Table 2
| Driver | Wins |
|---|---|
| Raymond Sommer | 5 |
| Jean-Pierre Wimille | 3 |
| Reg Parnell | 1 |
| "Raph" | 1 |
| Prince Bira | 1 |
| Leslie Brooke | 1 |
| Giuseppe Farina | 1 |
| Henri Louveau | 1 |
| Tazio Nuvolari | 1 |
| Giorgio Pelassa | 1 |
Table 3
| Manufacturer | Wins |
|---|---|
| Maserati | 9 |
| Alfa Romeo | 6 |
| ERA | 2 |
| Bugatti | 1 |