F1 season
| Season | 6th World Championship season |
|---|---|
| Races | 7 |
| Drivers’ Champion |  Juan Manuel Fangio (3rd title) |
| Constructors’ Champion | n/a |
| Reigning Drivers’ Champion | Juan Manuel Fangio |
| Reigning Constructors’ Champion | n/a |
Calendar
| No. | Grand Prix | Circuit | Date |
|---|---|---|---|
| 1 | Argentina | Buenos Aires | |
| 2 |  Monaco | Monte Carlo | |
| 3 |  Indianapolis 500 | Indianapolis | |
| 4 |  Belgium | Spa-Francorchamps | |
| 5 |  Netherlands | Zandvoort | |
| 6 |  Britain | Aintree | |
| 7 |  Italy | Monza |
Race results
Driver and constructor entries
The following drivers and constructors participated in the 1955 F1 World Championship (excluding Indianapolis 500 entries).
Arzani-Volpini (works team)- Luigi Piotti (7)
- Connaught (works team)
- Jack Fairman (6)
- Ken McAlpine (6)
- Connaught (privateers)
- Leslie Marr (6)
- Tony Rolt (6)
- Peter Walker (6)
- Cooper (works team)
- Jack Brabham (6)
- Ferrari (works team)
- Maurice Trintignant (1-2, 4-7)
- Giuseppe Farina (1-2, 4)
- Umberto Maglioli (1, 7)
- Jose Froilan Gonzalez (1)
- Paul Frere (2, 4)
- Harry Schell (2)
- Piero Taruffi (2)
- Eugenio Castellotti (5-7)
- Mike Hawthorn (5-7)
- Ferrari (privateers)
- Johnny Claes (5)
- Gordini (works team)
- Elie Bayol (1-2)
- Pablo Birger (1)
- Jesus Iglesias (1)
- Robert Manzon (2, 5-6)
- Jacques Pollet (2, 5, 7)
- Hermano da Silva Ramos (5-7)
- Mike Sparken (6)
- Jean Lucas (7)
- HWM (privateer)
- Ted Whiteaway (2)
- Lancia (works team)
- Eugenio Castellotti (1-2, 4)
- Luigi Villoresi (1-2, 7)
- Alberto Ascari (1-2)
- Louis Chiron (2)
- Giuseppe Farina (7)
- Maserati (works team)
- Jean Behra (1-2, 4-7)
- Roberto Mieres (1-2, 4-7)
- Luigi Musso (1-2, 4-7)
- Carlos Menditeguy (1, 7)
- Clemar Bucci (1)
- Sergio Mantovani (1)
- Harry Schell (1)
- Cesare Perdisa (2, 4)
- Andre Simon (6)
- Peter Collins (7)
- Horace Gould (7)
- Maserati (privateers)
- Alberto Uria (1)
- Louis Rosier (2, 4-5)
- Lance Macklin (2, 6)
- Johnny Claes (4)
- Horace Gould (5-6)
- Peter Walker (5)
- Peter Collins (6)
- Roy Salvadori (6)
- John Fitch (7)
- Mercedes (works team)
- Juan Manuel Fangio (1-2, 4-7)
- Stirling Moss (1-2, 4-7)
- Hans Herrmann (1-2)
- Karl Kling (1, 4-7)
- Andre Simon (2)
- Piero Taruffi (6-7)
- Vanwall (works team)
- Mike Hawthorn (2, 4)
- Harry Schell (6-7)
- Ken Wharton (6-7)
