The 1939 South African Grand Prix was a voiturette race held at the Prince George Circuit on 2 January 1939.
| Pos | No | Driver | Car | Laps | Time/Retired |
|---|---|---|---|---|---|
| 1 | 6 | | Maserati 6CM | 18 | 1:59'26" |
| 2 | 7 | | Maserati 6CM | 18 | 2:00'50" |
| 3 | 15 | | Maserati 6CM | 18 | 2:01'50" |
| 4 | 14 | | ERA R3A | 18 | 2:04'05" |
| 5 | 1 | | ERA R8B | 18 | 2:05'09" |
| 6 | 5 | | Maserati 4CM | 18 | 2:05'33" |
| 7 | 11 | | ERA R8B | 18 | 2:09'56" |
| 8 | 9 | | Maserati 6CM | 18 | 2:09'56" |
| Ret | 12 | | Maserati 6CM | 10 | Piston |
| Ret | 3 | | Riley 1500/6 | 4 | Engine |
| Ret | 12 | | Benz-Truck 6CM | 5 | Engine |
| Ret | 2 | | Maserati 6CM | 3 | Piston |
| Ret | 10 | | ERA B | 2 | Piston |
| Ret | 4 | | Maserati 6CM | 1 | Piston |
| Ret | 8 | | Maserati 6CM | 1 | Clutch |