List of 1973 motorsport champions
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| 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.
| Series | Champion | Refer |
|---|---|---|
| NHRA Drag Racing Series | Top Fuel: |
1973 NHRA Drag Racing Series |
| Funny Car: | ||
| Pro Stock: | ||
Karting
| Series | Driver | Season article |
|---|---|---|
| Karting World Championship | ||
| Junior: | ||
| Karting European Championship | ||
Motorcycle racing
Motocross
| Series | Rider | Season article |
|---|---|---|
| FIM Motocross World Championship | 500cc: |
1973 FIM Motocross World Championship |
| 250cc: | ||
| AMA Motocross Championship | 500cc: |
1973 AMA Motocross National Championship season |
| 250cc: | ||
Open wheel racing
Rallying
Sports car and GT
| Series | Driver | Season article |
|---|---|---|
| World Sportscar Championship | Class S: |
1973 World Sportscar Championship |
| Class GT: | ||
| Canadian American Challenge Cup | 1973 Can-Am season | |
| Australian Sports Car Championship | 1973 Australian Sports Car Championship | |
| IMSA GT Championship | 1973 IMSA GT Championship |