This list of 2000 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 | |
|---|---|---|---|
| Australian Super Touring Championship |  Paul Morris | 2000 Australian Super Touring Championship | |
| Teams: Knight Racing | |||
| Independents: David Auger | |||
| British Touring Car Championship |  Alain Menu | 2000 British Touring Car Championship | |
Teams:  Ford Team Mondeo | |||
| Manufacturers: Ford / Ford Team Mondeo | |||
| Independents: Matt Neal | |||
| European Super Touring Cup |  Fabrizio Giovanardi | 2000 European Super Touring Cup | |
| Teams: Nordauto Engineering | |||
| Deutsche Tourenwagen Masters |  Bernd Schneider | 2000 Deutsche Tourenwagen Masters season | |
| Swedish Touring Car Championship |  Tommy Rustad | 2000 Swedish Touring Car Championship | |
Privateers:  Magnus Krokström | |||
| V8 Supercars | Mark Skaife | 2000 Shell Championship Series | |
| Konica V8 Lites Series | Dean Canto | 2000 Konica V8 Lites Series |
| Series | Driver | Season article |
|---|---|---|
| World Rally Championship |  Marcus Grönholm | 2000 World Rally Championship |
Manufacturers:  Peugeot | ||
| FIA Cup for Production Cars |  Manfred Stohl | |
| Asia-Pacific Rally Championship |  Possum Bourne | 2000 Asia-Pacific Rally Championship |
| British Rally Championship | Marko Ipatti | 2000 British Rally Championship |
| Manufacturers: Vauxhall | ||
| Super 1600: Mats Andersson | ||
| Group N: Gavin Cox |
| Series | Driver | Season article | |
|---|---|---|---|
| NASCAR Winston Cup Series |  Bobby Labonte | 2000 NASCAR Winston Cup Series | |
| NASCAR Busch Series | Jeff Green | 2000 NASCAR Busch Series | |
| NASCAR Craftsman Truck Series | Greg Biffle | 2000 NASCAR Craftsman Truck Series | |
| Stock Car Brasil |  Chico Serra | 2000 Stock Car Brasil |
| Series | Rider | Season article | |
|---|---|---|---|
| 500cc World Championship | Kenny Roberts Jr. | 2000 Grand Prix motorcycle racing season | |
Manufacturers:  Yamaha | |||
| 250cc World Championship | Olivier Jacque | ||
| Manufacturers: Yamaha | |||
| 125cc World Championship | Roberto Locatelli | ||
| Manufacturers: Honda | |||
| Superbike World Championship | Colin Edwards | 2000 Superbike World Championship season | |
| Manufacturers: Ducati | |||
| Supersport World Championship | Jörg Teuchert | ||
| Manufacturers: Yamaha | |||
| Speedway World Championship | Mark Loram | 2000 Speedway Grand Prix | |
| AMA Superbike Championship | Mat Mladin |
Martin Canepa