The following is an overview of the events of 1915 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 | Month | Name | Nationality | Occupation | Note | Ref | |
|---|---|---|---|---|---|---|---|
| 24 | March | Eugène Martin | French | Racing driver | One of the first French Formula One drivers. | [2] | |
| 26 | October | Joe Fry | British | Racing driver | One of the first British Formula One drivers. | [3] |