This list of 1989 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 |
|---|---|---|
| Formula One World Championship |  Alain Prost | 1989 Formula One season |
Constructors:  McLaren-Honda | ||
| IndyCar World Series |  Emerson Fittipaldi | 1989 IndyCar season |
| American Racing Series |  Mike Groff | 1989 American Racing Series season |
| International Formula 3000 | Jean Alesi | 1989 International Formula 3000 season |
| British Formula 3000 |  Gary Brabham | |
| Atlantic Championship | Atlantic: Jocko Cunningham | |
Pacific:  Hiro Matsushita | ||
| Australian Drivers' Championship | Rohan Onslow | 1989 Australian Drivers' Championship |
| Barber Saab Pro Series | Robbie Buhl | |
| Formula Fiat |  Pedro de la Rosa | |
| Formula Three | ||
| British Formula Three Championship | David Brabham | 1989 British Formula Three Championship |
| German Formula Three Championship |  Karl Wendlinger | 1989 German Formula Three Championship |
| Formula Ford | ||
| Formula Ford 2000 Canada |  Claude Bourbonnais | |
| Formula Ford 2000 Denmark |  Jens Andersen | |
| Autosport Formula Ford 1600 | David Coulthard | |
| P&O Ferries Formula Ford 1600 | ||
| Formula Ford 1600 Netherlands |  Marcel Albers | |
| Series | Driver | Season article |
|---|---|---|
| World Sportscar Championship | C1: Jean-Louis Schlesser | 1989 World Sportscar Championship season |
C1 Teams:  Team Sauber Mercedes | ||
| C2: Fermín Velez C2: Nick Adams | ||
| Teams: Chamberlain Engineering | ||
| All Japan Sports Prototype Championship |  Stanley Dickens Kunimitsu Takahashi | |
Manufacturers:  Porsche | ||
| IMSA GT Championship | GTP: Geoff Brabham | 1989 IMSA GT Championship season |
| Lights: Scott Schubot | ||
| GTO: Pete Halsmer | ||
| GTU: Bob Leitzinger |
| Series | Driver | Season article |
|---|---|---|
| NASCAR Winston Cup Series | Rusty Wallace | 1989 NASCAR Winston Cup Series |
| International Race of Champions | Terry Labonte | IROC XIII |
| AUSCAR | Tony Kavich | |
| Series | Driver/Co-Driver | Season article |
|---|---|---|
| World Rally Championship |  Miki Biasion Tiziano Siviero | 1989 World Rally Championship season |
| Manufacturer: Lancia | ||
| FIA Cup for Production Cars | Alain Oreille Gilles Thimonier | |
