F1 season
| Season | 42nd World Championship season |
|---|---|
| Races | 16 |
| Drivers’ Champion |  Ayrton Senna (3rd and last title) |
| Constructors’ Champion |  McLaren-Honda (7th title for McLaren) |
| Reigning Drivers’ Champion | Ayrton Senna |
| Reigning Constructors’ Champion | McLaren |
Calendar
| No. | Grand Prix | Circuit | Date |
|---|---|---|---|
| 1 |  USA | Phoenix | |
| 2 | Brazil | Interlagos | |
| 3 |  San Marino | Imola | |
| 4 |  Monaco | Monte Carlo | |
| 5 |  Canada | Montreal | |
| 6 |  Mexico | Mexico City | |
| 7 |  France | Magny-Cours | |
| 8 | Britain | Silverstone | |
| 9 |  Germany | Hockenheim | |
| 10 |  Hungary | Hungaroring | |
| 11 |  Belgium | Spa-Francorchamps | |
| 12 |  Italy | Monza | |
| 13 |  Portugal | Estoril | |
| 14 |  Spain | Catalunya | |
| 15 |  Japan | Suzuka | |
| 16 |  Australia | Adelaide |
Race results
Driver and constructor entries
The following drivers and constructors participated in the 1991 F1 World Championship.
AGS- Gabriele Tarquini (1-13)
- Stefan Johansson (1-2)
- Fabrizio Barbazza (3-14)
- Olivier Grouillard (14)
- Benetton
- Nelson Piquet (All)
- Roberto Moreno (1-11)
- Michael Schumacher (12-16)
- Brabham
- Mark Blundell (All)
- Martin Brundle (All)
- Coloni
- Pedro Chaves (1-14)
- Naoki Hattori (15-16)
- Dallara
- JJ Lehto (All)
- Emanuele Pirro (All)
- Ferrari
- Jean Alesi (All)
- Alain Prost (1-15)
- Gianni Morbidelli (16)
- Fondmetal
- Olivier Grouillard (1-13)
- Gabriele Tarquini (14-16)
- Footwork
- Michele Alboreto (All)
- Alex Caffi (1-4, 9-16)
- Stefan Johansson (5-8)
- Jordan
- Andrea de Cesaris (All)
- Bertrand Gachot (1-10)
- Michael Schumacher (11)
- Roberto Moreno (12-13)
- Alessandro Zanardi (14-16)
- Lamborghini
- Nicola Larini (All)
- Eric van de Poele (All)
- Leyton House
- Mauricio Gugelmin (All)
- Ivan Capelli (1-14)
- Karl Wendlinger (15-16)
- Ligier
- Thierry Boutsen (All)
- Erik Comas (All)
- Lola
- Aguri Suzuki (All)
- Eric Bernard (1-15)
- Bertrand Gachot (16)
- Lotus
- Mika Hakkinen (All)
- Julian Bailey (1-4)
- Johnny Herbert (5-8, 11, 13, 15-16)
- Michael Bartels (9-10, 12, 14)
- McLaren
- Gerhard Berger (All)
- Ayrton Senna (All)
- Minardi
- Pierluigi Martini (All)
- Gianni Morbidelli (1-15)
- Roberto Moreno (16)
- Tyrrell
- Stefano Modena (All)
- Satoru Nakajima (All)
- Williams
- Nigel Mansell (All)
- Riccardo Patrese (All)
