List of 1955 motorsport champions
| 1955 motorsport champions | |
| Previous: 1954 | Next: 1956 |
This list of 1955 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.
Formula cars
| Series | Driver | Season article |
|---|---|---|
| Formula One World Championship |  Juan Manuel Fangio
|
1955 Formula One season |
| AAA National Championship |  Bob Sweikert
|
1955 AAA Championship Car season |
Sports car
| Series | Driver | Season article |
|---|---|---|
| World Sportscar Championship |  Mercedes-Benz
|
1955 World Sportscar Championship season |
| SCCA National Sports Car Championship | C Modified: Sherwood Johnston
|
1955 SCCA National Sports Car Championship season |
| D Modified: Phil Hill
|
Stock car racing
| Series | Driver | Season article |
|---|---|---|
| NASCAR Grand National Series | Tim Flock
|
1955 NASCAR Grand National Series |
