| 1998 Toyota Atlantic Championship season | |
|---|---|
| KOOL Toyota Atlantic Championship | |
| Season | |
| Races | 12 |
| Start date | April 4th |
| End date | October 4th |
| Awards | |
| Drivers' champion |  Lee Bentham |
The 1998 Toyota Atlantic Championship season was contested over 13 rounds. All teams had to use Toyota engines. The KOOL Toyota Atlantic Championship Drivers' Champion was Lee Bentham driving for Forsythe Racing.