1926 Grand Prix season World Championship Grands Prix World Championship Grands Prix

| Name_ | Circuit | Date_ | Winning_drivers | Winning_constructor | Report |
|---|---|---|---|---|---|
| Indianapolis 500 | Indianapolis | 31 May | Frank Lockhart | Miller | Report |
| French Grand Prix | Miramas | 27 June | Jules Goux | Bugatti | Report |
| San Sebastián Grand Prix / European Grand Prix | Lasarte | 18 July | Jules Goux | Bugatti | Report |
| British Grand Prix | Brooklands | 7 August | Robert Sénéchal Louis Wagner | Delage | Report |
| Italian Grand Prix | Monza | 5 September | Louis Charavel | Bugatti | Report |