This list of 1958 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 |  Mike Hawthorn | 1958 Formula One season |
| Constructors: Vanwall | ||
| USAC National Championship |  Tony Bettenhausen | 1958 USAC Championship Car season |
| Australian Drivers' Championship |  Stan Jones | 1958 Australian Drivers' Championship |
| Campionato Italiano |  Roberto Lippi | |
| Team: Scuderia Bardahl | ||
| Formula Three | ||
| British Formula Three Championship | Trevor Taylor | 1958 British Formula Three Championship |
| East German Formula Three Championship | Heinz Melkus | 1958 East German Formula Three Championship |
| Finnish Formula Three Championship |  Heimo Hietarinta | 1958 Finnish Formula Three Championship |
| British Saloon Car Championship | Jack Sears | 1958 British Saloon Car Championship |
| Series | Driver | Season article |
|---|---|---|
| NASCAR Grand National Series | Lee Petty | 1958 NASCAR Grand National Series |
| Manufacturers: Chevrolet | ||
| NASCAR Pacific Coast Late Model Series | Eddie Gray | 1958 NASCAR Pacific Coast Late Model Series |
| ARCA Racing Series | Nelson Stacy | 1958 ARCA Racing Series |
| Turismo Carretera |  Juan Gálvez | 1958 Turismo Carretera |
| USAC Stock Car National Championship | Fred Lorenzen | 1958 USAC Stock Car National Championship |
