Formula 1 race winners · 1991
F1DB · CC BY 4.0 · v2026.15.1 · F1DB contributors, CC BY 4.0; selected fields transformed by ArenaScores.
Race winners
| Date | Grand Prix | Winner |
|---|---|---|
| 1991-03-10 | United States Grand Prix | Ayrton Senna |
| 1991-03-24 | Brazilian Grand Prix | Ayrton Senna |
| 1991-04-28 | San Marino Grand Prix | Ayrton Senna |
| 1991-05-12 | Monaco Grand Prix | Ayrton Senna |
| 1991-06-02 | Canadian Grand Prix | Nelson Piquet |
| 1991-06-16 | Mexican Grand Prix | Riccardo Patrese |
| 1991-07-07 | French Grand Prix | Nigel Mansell |
| 1991-07-14 | British Grand Prix | Nigel Mansell |
| 1991-07-28 | German Grand Prix | Nigel Mansell |
| 1991-08-11 | Hungarian Grand Prix | Ayrton Senna |
| 1991-08-25 | Belgian Grand Prix | Ayrton Senna |
| 1991-09-08 | Italian Grand Prix | Nigel Mansell |
| 1991-09-22 | Portuguese Grand Prix | Riccardo Patrese |
| 1991-09-29 | Spanish Grand Prix | Nigel Mansell |
| 1991-10-20 | Japanese Grand Prix | Gerhard Berger |
| 1991-11-03 | Australian Grand Prix | Ayrton Senna |