The 1941 Rio de Janeiro Grand Prix was a Formula Libre motor race held at Gávea on 28 September 1941.
| Pos | Driver | Car | Laps | Time/Retired | |
|---|---|---|---|---|---|
| 1 |  Chico Landi | Alfa Romeo | 20 | 2:39:51.8 | |
| 2 | Quirino Landi | Maserati | 20 | + 4:00.0 | |
| 3 | Manuel de Teffé | Maserati | 20 | + 4:59.4 | |
| 4 | Rubem Abrunhosa | Studebaker | 20 | + 5:00.1 | |
| 5 | Domingo Lopes | Bugatti | 19 | + 1 lap | |
| 6 | Rodrigo Valentim | Alfa Romeo | 19 | + 1 lap | |
| Ret | Oldemar Ramos | Alfa Romeo | 18 |