| 1991 Toyota Atlantic Championship season | |
|---|---|
| SCCA Toyota Atlantic Championship | |
| Season | |
| Races | 13 |
| Start date | April 14th |
| End date | October 20th |
| Awards | |
| Drivers' champion |  Jovy Marcelo |
The 1991 Toyota Atlantic Championship season was contested over 13 rounds. There were also two non-championship events at Race City Speedway in Calgary. The SCCA Toyota Atlantic Championship Drivers' Champion was Jovy Marcelo.