The following is an overview of the events of 1933 in motorsport including the major racing events, motorsport venues that were opened and closed during a year, championships and non-championship events that were established and disestablished in a year, and births and deaths of racing drivers and other motorsport people.
The calendar includes only annual major non-championship events or annual events that had own significance separate from the championship. For the dates of the championship events see related season articles.
| Date | Event | Ref | |
|---|---|---|---|
| 8–9 April | 7th Mille Miglia | [1] | |
| 23 April | 5th Monaco Grand Prix | [2] | |
| 28 May | 24th Targa Florio | [3] | |
| 30 May | 21st Indianapolis 500 | [4] | |
| 17–18 June | 11th 24 Hours of Le Mans | [5] | |
| 15–19 June | 22nd Isle of Man TT | [6] | |
| 1–2 July | 10th 24 Hours of Spa | [7] |
| Date | Month | Name | Nationality | Occupation | Note | Ref | |
|---|---|---|---|---|---|---|---|
| 4 | March | Nino Vaccarella | Italian | Racing driver | 24 Hours of Le Mans winner . | [8] | |
| 2 | June | Lew "Sneaky Pete" Robinson | American | drag racer | [9] | ||
| 12 | August | Parnelli Jones | American | Racing driver | Indianapolis 500 winner (1963). | [10] | |
| 18 | October | Ludovico Scarfiotti | Italian | Racing driver | 1966 Italian Grand Prix winner. Winner of the 24 Hours of Le Mans . | [11] |