The 10th Naples Grand Prix was a motor race, run to Formula One rules, held on 28 April 1957 at Posillipo Circuit, Naples. The race was run over 60 laps of the circuit, and was won by British driver Peter Collins in a Lancia-Ferrari D50.

Results Pos Driver Entrant Constructor Time/Position Grid 1 Peter Collins Scuderia Ferrari Lancia-Ferrari D50 2:10:31.2, 113.10 km/h 2 2 Mike Hawthorn Scuderia Ferrari Lancia-Ferrari D50 2:11:02.1 (+31.9s) 1 3 Luigi Musso Scuderia Ferrari Ferrari Dino 156 2:11:02.4 (+32.2s) 3 4 Horace Gould Gould's Garage (Bristol) Maserati 250F 59 laps 4 5 Masten Gregory Scuderia Centro Sud Maserati 250F 58 laps 6 6 Bruce Halford Bruce Halford Maserati 250F 57 laps 16 7 Luigi Bellucci Luigi Bellucci Maserati A6GCS 56 laps 14 8 Umberto Maglioli Umberto Maglioli Porsche RSK 53 laps 8 9 Fernando Natella Fernando Natella OSCA F2 50 laps 12 Ret. Berardo Taraschi Berardo Taraschi Ferrari 166 47 laps - fuel tank 9 Ret. Piero Fiordelesi Piero Fiordelesi Fiordelesi-Alfa Romeo 47 laps - engine 10 Ret. Stuart Lewis-Evans Connaught Engineering Connaught B Type-Alta 44 laps - front hub 5 Ret. Hermano da Silva Ramos Equipe Gordini Gordini Type 16 14 laps - brakes 7 Ret. Marino Brandoli Marino Brandoli Lancia-Marino 9 laps - water pipe 11 Ret. Ottorino Volonterio Ottorino Volonterio Maserati 250F 4 laps - cylinder block 17 Ret. Alan Mann Alan Mann HWM-Alta 3 laps - magneto 13

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