List of 1973 motorsport champions
| 1973 motorsport champions | |
| Previous: 1972 | Next: 1974 |
This list of 1973 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.
Open wheel racing[edit]
Sports car[edit]
| Series | Driver | Season article |
|---|---|---|
| World Sportscar Championship | Class S:  MatraClass GT:  Porsche
|
1973 World Sportscar Championship season |
| Canadian American Challenge Cup |  Mark Donohue
|
1973 Can-Am season |
| Australian Sports Car Championship |  Phil Moore
|
|
| IMSA GT Championship | Peter Gregg
|
1973 IMSA GT Championship season |
Touring car[edit]
| Series | Driver | Season article |
|---|---|---|
| European Touring Car Championship |  Toine Hezemans
|
|
| Australian Touring Car Championship |  Allan Moffat
|
1973 Australian Touring Car Championship |
Stock car racing[edit]
| Series | Driver | Season article |
|---|---|---|
| NASCAR Grand National Series | Benny Parsons
|
1973 NASCAR Winston Cup Series |
| NASCAR Grand Sport Series | 1973 NASCAR Grand Sport Series |
Drag racing[edit]
Rallying[edit]
| Series | Driver/Co-Driver | Season article |
|---|---|---|
| World Rally Championship | Alpine-Renault
|
1973 World Rally Championship season |
| Australian Rally Championship | Peter Lang W Smith
|
