Juan Fangio won the Monaco Grand Prix 1957 at Circuit de Monaco on 19 May 1957, starting from pole position. Tony Brooks finished second for Vanwall, with Masten Gregory completing the podium for Maserati.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Juan FangioFAN | Maserati | 105 | 3:10:12.8 | 9 | |
| 2 | 4 | Tony BrooksBRO | Vanwall | 105 | +25.2 | 6 | |
| 3 | 10 | Masten GregoryGRE | Maserati | 103 | +2 Laps | 4 | |
| 4 | 13 | Stuart Lewis-EvansLEW | Connaught | 102 | +3 Laps | 3 | |
| 5 | 6 | Maurice TrintignantTRI | Ferrari | 100 | +5 Laps | 2 | |
| 6 | 15 | Jack BrabhamBRA | Cooper | 100 | +5 Laps | 0 | |
| R | 9 | Wolfgang von TripsVON | Ferrari | 95 | Engine | 0 | |
| R | 9 | Mike HawthornHAW | Ferrari | 95 | Engine | 0 | |
| R | 14 | Giorgio ScarlattiSCA | Maserati | 64 | Oil leak | 0 | |
| R | 14 | Harry SchellSCH | Maserati | 64 | Oil leak | 0 | |
| R | 11 | Ron FlockhartFLO | BRM | 60 | Engine | 0 | |
| R | 7 | Carlos MenditeguyMEN | Maserati | 51 | Spun off | 0 | |
| R | 16 | Ivor BuebBUE | Connaught | 47 | Fuel leak | 0 | |
| R | 8 | Harry SchellSCH | Maserati | 23 | Suspension | 0 | |
| R | 12 | Horace GouldGOU | Maserati | 10 | Accident | 0 | |
| R | 2 | Peter CollinsCOL | Ferrari | 4 | Accident | 0 | |
| R | 3 | Stirling MossMOS | Vanwall | 4 | Accident | 0 | |
| R | 5 | Mike HawthornHAW | Ferrari | 4 | Accident | 0 | |
| F | 0 | Roy SalvadoriSAL | BRM | 0 | Did not qualify | 0 | |
| F | 0 | Hans HerrmannHER | Maserati | 0 | Did not qualify | 0 | |
| F | 0 | André SimonSIM | Maserati | 0 | Did not qualify | 0 | |
| F | 0 | Luigi PiottiPIO | Maserati | 0 | Did not qualify | 0 | |
| F | 0 | Les LestonLES | Cooper | 0 | Did not qualify | 0 |