The following list of 1999 motorsport champions is a list of national or international auto racing series with a Championship decided by the points or positions earned by a driver from multiple races.
| Series | Driver | Season article |
|---|---|---|
| American Le Mans Series | LMP:  Elliott Forbes-Robinson | 1999 American Le Mans Series season |
GTS:  Olivier Beretta | ||
| GT: Cort Wagner | ||
| United States Road Racing Championship | Can-Am: Elliott Forbes-Robinson Can-Am: Butch Leitzinger | 1999 United States Road Racing Championship season |
| GT2: Larry Schumacher GT2: John O'Steen | ||
| GT3: Cort Wagner | ||
| Sports Racing World Cup | SR1:  Emmanuel CollardSR1:  Vincenzo Sospiri | 1999 Sports Racing World Cup season |
| SR1 Teams: JB Giesse Team Ferrari | ||
| SR2: Angelo Lancelotti | ||
| SR2 Teams: Cauduro Tampolli Team | ||
| FIA GT Championship | Olivier Beretta Karl Wendlinger | 1999 FIA GT Championship season |
| Teams: Viper Team Oreca |
| Series | Driver | Season article |
|---|---|---|
| V8 Supercar |  Craig Lowndes | 1999 Shell Championship Series |
| Australian Super Touring Championship | Paul Morris | 1999 Australian Super Touring Championship |
| Manufacturers': Volvo | ||
| Teams: Volvo Australia Pty Ltd. |
| Series | Driver/Co-Driver | Season article |
|---|---|---|
| World Rally Championship |  Tommi Mäkinen Risto Mannisenmäki | 1999 World Rally Championship season |
Manufacturer:  Toyota | ||
| FIA Cup for Production Cars |  Gustavo Trelles |
