Juan Fangio won the Monaco Grand Prix 1950 at Circuit de Monaco on 21 May 1950, starting from pole position. Alberto Ascari finished second for Ferrari, with Louis Chiron completing the podium for Maserati.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Juan FangioFAN | Alfa Romeo | 100 | 3:13:18.7 | 9 | |
| 2 | 7 | Alberto AscariASC | Ferrari | 99 | +1 Lap | 6 | |
| 3 | 8 | Louis ChironCHI | Maserati | 98 | +2 Laps | 4 | |
| 4 | 9 | Raymond SommerSOM | Ferrari | 97 | +3 Laps | 3 | |
| 5 | 15 | Prince BiraBIR | Maserati | 95 | +5 Laps | 2 | |
| 6 | 16 | Bob GerardGER | ERA | 94 | +6 Laps | 0 | |
| 7 | 19 | Johnny ClaesCLA | Talbot-Lago | 94 | +6 Laps | 0 | |
| R | 6 | Luigi VilloresiVIL | Ferrari | 63 | Axle | 0 | |
| R | 4 | Philippe ÉtancelinTAN | Talbot-Lago | 38 | Oil leak | 0 | |
| R | 3 | José Froilán GonzálezGON | Maserati | 1 | Accident | 0 | |
| R | 2 | Nino FarinaFAR | Alfa Romeo | 0 | Accident | 0 | |
| R | 5 | Luigi FagioliFAG | Alfa Romeo | 0 | Accident | 0 | |
| R | 10 | Louis RosierROS | Talbot-Lago | 0 | Accident | 0 | |
| R | 11 | Robert ManzonMAN | Simca | 0 | Accident | 0 | |
| R | 12 | Toulo de GraffenriedDEG | Maserati | 0 | Accident | 0 | |
| R | 13 | Maurice TrintignantTRI | Simca | 0 | Accident | 0 | |
| R | 14 | Cuth HarrisonHAR | ERA | 0 | Accident | 0 | |
| R | 17 | Franco RolROL | Maserati | 0 | Accident | 0 | |
| R | 20 | Harry SchellSCH | Cooper | 0 | Collision | 0 | |
| W | 21 | Peter WhiteheadWHI | Ferrari | 0 | Engine | 0 | |
| W | 18 | Alfredo PiánPIN | Maserati | 0 | Accident | 0 |