Gran Premio de San Marino 1991: Resultados de la carrera
| Pos. | No. | Piloto | Escuderia | Puntos | Tiempo | Vueltas | Parrilla | Vuelta rápida |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Ayrton Senna | McLaren | 10 | 1:35:14.750 | 61 | 1 | |
| 2 | 2 | Gerhard Berger | McLaren | 6 | +1.675 | 61 | 5 | |
| 3 | 22 | Jyrki Järvilehto | Dallara | 4 | +1 vuelta | 60 | 16 | |
| 4 | 23 | Pierluigi Martini | Minardi | 3 | +2 vueltas | 59 | 9 | |
| 5 | 11 | Mika Häkkinen | Team Lotus | 2 | +3 vueltas | 58 | 25 | |
| 6 | 12 | Julian Bailey | Team Lotus | 1 | +3 vueltas | 58 | 26 | |
| 7 | 25 | Thierry Boutsen | Ligier | 0 | +3 vueltas | 58 | 24 | |
| 8 | 8 | Mark Blundell | Brabham | 0 | +3 vueltas | 58 | 23 | |
| 9 | 35 | Eric van de Poele | Lambo | 0 | +4 vueltas | 57 | 21 | |
| 10 | 26 | Érik Comas | Ligier | 0 | +4 vueltas | 57 | 19 | |
| 11 | 7 | Martin Brundle | Brabham | 0 | +4 vueltas | 57 | 18 | |
| 12 | 15 | Maurício Gugelmin | Leyton House | 0 | +6 vueltas | 55 | 15 | |
| 13 | 19 | Roberto Moreno | Benetton | 0 | +7 vueltas | 54 | 13 | |
| 14 | 4 | Stefano Modena | Tyrrell | 0 | Transmisión | 41 | 6 | |
| 15 | 33 | Andrea de Cesaris | Jordan | 0 | Caja de cambios | 37 | 11 | |
| 16 | 32 | Bertrand Gachot | Jordan | 0 | Suspensión | 37 | 13 | |
| 17 | 16 | Ivan Capelli | Leyton House | 0 | DNF | 24 | 22 | |
| 18 | 29 | Éric Bernard | Lola | 0 | Motor | 17 | 17 | |
| 19 | 6 | Riccardo Patrese | Williams | 0 | Eléctrico | 17 | 2 | |
| 20 | 3 | Satoru Nakajima | Tyrrell | 0 | Transmisión | 15 | 10 | |
| 21 | 24 | Gianni Morbidelli | Minardi | 0 | Caja de cambios | 10 | 8 | |
| 22 | 28 | Jean Alesi | Ferrari | 0 | DNF | 2 | 7 | |
| 23 | 30 | Aguri Suzuki | Lola | 0 | DNF | 2 | 20 | |
| 24 | 20 | Nelson Piquet | Benetton | 0 | DNF | 1 | 14 | |
| 25 | 5 | Nigel Mansell | Williams | 0 | Choque | 0 | 4 | |
| 26 | 27 | Alain Prost | Ferrari | 0 | +61 vueltas | 0 | 3 | |
| 27 | 17 | Gabriele Tarquini | AGS | 0 | +61 vueltas | 0 | 0 | |
| 28 | 18 | Fabrizio Barbazza | AGS | 0 | +61 vueltas | 0 | 0 | |
| 29 | 10 | Alex Caffi | Footwork | 0 | +61 vueltas | 0 | 0 | |
| 30 | 9 | Michele Alboreto | Footwork | 0 | +61 vueltas | 0 | 0 | |
| 31 | 21 | Emanuele Pirro | Dallara | 0 | +61 vueltas | 0 | 0 | |
| 32 | 14 | Olivier Grouillard | Fondmetal | 0 | +61 vueltas | 0 | 0 | |
| 33 | 34 | Nicola Larini | Lambo | 0 | +61 vueltas | 0 | 0 | |
| 34 | 31 | Pedro Chaves | Coloni | 0 | +61 vueltas | 0 | 0 |
