The following is an overview of the events of 1912 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 |
|---|---|---|
| 25–26 May | 7th Targa Florio | [1] |
| 30 May | 2nd Indianapolis 500 | [2] |
| 28 June-1 July | 6th Isle of Man TT | [3] |
| Date | Month | Name | Nationality | Occupation | Note | Ref |
|---|---|---|---|---|---|---|
| 22 | March | Leslie Johnson | British | Racing driver | One of the first British Formula One drivers. | [4] |
| 7 | October | Peter Walker | British | Racing driver | 24 Hours of Le Mans winner (1951) | [5] |
| 26 | December | Luis Fontés | British | Racing driver | 24 Hours of Le Mans winner (1936). | [6] |