1955 Italian Grand Prix
- Round
- 7 of 1955
- Circuit
- Autodromo Nazionale Monza
- Location
- Monza, Italy
- Dates
- —
- Format
- Standard weekend
- Winner
- Juan Manuel Fangio
- Constructor
- Mercedes
- Entrant
- Mercedes
- Pole position
- Juan Manuel Fangio
- Fastest lap
- Sir Stirling Moss
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Juan Manuel Fangio | Mercedes | 1 | 50 | 8 | — |
| 2 | Piero Taruffi | Mercedes | 9 | 50 | 6 | — |
| 3 | Eugenio Castellotti | Ferrari | 4 | 50 | 4 | — |
| 4 | Jean Behra | Maserati | 6 | 50 | 3 | — |
| 5 | Carlos Menditeguy | Maserati | 16 | 49 | 2 | — |
| 6 | Umberto Maglioli | Ferrari | 12 | 49 | — | — |
| 7 | Roberto Mieres | Maserati | 7 | 48 | — | — |
| 8 | Maurice Trintignant | Ferrari | 15 | 47 | — | — |
| 9 | John Fitch | Maserati | 20 | 46 | — | — |
| 10 | Mike Hawthorn | Ferrari | 14 | 38 | — | Gearbox |
| DNS | Luigi Piotti | Arzani-Volpini | — | — | — | Engine |
| DNF | Sir Stirling Moss | Mercedes | 2 | 27 | 1 | Engine · fastest lap |
| DNF | Karl Kling | Mercedes | 3 | 32 | — | Gearbox |
| DNS | Giuseppe 'Nino' Farina | Lancia | 5 | — | — | Tyre |
| DNS | Luigi Villoresi | Lancia | 8 | — | — | Tyre |
| DNF | Luigi Musso | Maserati | 10 | 31 | — | Gearbox |
| DNF | Peter Collins | Maserati | 11 | 22 | — | Suspension |
| DNF | Harry Schell | Vanwall | 13 | 7 | — | Suspension |
| DNF | Ken Wharton | Vanwall | 17 | 0 | — | Injection |
| DNF | Hermano da Silva Ramos | Gordini | 18 | 23 | — | Fuel system |
| DNF | Jacques Pollet | Gordini | 19 | 26 | — | Engine |
| DNF | Horace Gould | Maserati | 21 | 31 | — | Suspension |
| DNF | Jean Lucas | Gordini | 22 | 7 | — | Engine |