Velika nagrada Italije 1991 je bila dvanajsta dirka Svetovnega prvenstva Formule 1 v sezoni 1991. Odvijala se je 8. septembra 1991.
Dirka
! 1 | 5 | Nigel Mansell | Williams-Renault | 53 | 1:17:54,319 | 2 | 10 |- ! 2 | 1 | Ayrton Senna | McLaren-Honda | 53 | + 16,262 s | 1 | 6 |- ! 3 | 27 | Alain Prost | Ferrari | 53 | + 16,829 s | 5 | 4 |- ! 4 | 2 | Gerhard Berger | McLaren-Honda | 53 | + 27,719 s | 3 | 3 |- ! 5 | 19 | Michael Schumacher | Benetton-Ford | 53 | + 34,463 s | 7 | 2 |- ! 6 | 20 | Nelson Piquet | Benetton-Ford | 53 | + 45,600 s | 8 | 1 |- ! 7 | 33 | Andrea de Cesaris | Jordan-Ford | 53 | + 51,136 s | 14
! 8 | 16 | Ivan Capelli | Leyton House-Ilmor | 53 | + 1:15,019 | 12
! 9 | 24 | Gianni Morbidelli | Minardi-Ferrari | 52 | +1 krog | 17
! 10 | 21 | Emanuele Pirro | Dallara-Judd | 52 | +1 krog | 16
! 11 | 26 | Érik Comas | Ligier-Lamborghini | 52 | +1 krog | 22
! 12 | 8 | Mark Blundell | Brabham-Yamaha | 52 | +1 krog | 11
! 13 | 7 | Martin Brundle | Brabham-Yamaha | 52 | +1 krog | 19
! 14 | 11 | Mika Häkkinen | Lotus-Judd | 49 | +4 krogi | 25
! 15 | 15 | Maurício Gugelmin | Leyton House-Ilmor | 49 | +4 krogi | 18
! 16 | 34 | Nicola Larini | Lambo-Lamborghini | 48 | +5 krogov | 23
! Ods | 14 | Olivier Grouillard | Fondmetal-Ford | 46 | Motor | 26
! Ods | 22 | Jyrki Järvilehto | Dallara-Judd | 35 | Pregrevanje | 20
! Ods | 4 | Stefano Modena | Tyrrell-Honda | 32 | Motor | 13
! Ods | 28 | Jean Alesi | Ferrari | 29 | Motor | 6
! Ods | 6 | Riccardo Patrese | Williams-Renault | 27 | Menjalnik | 4
! Ods | 3 | Satoru Nakadžima | Tyrrell-Honda | 24 | Pedal za plin | 15
! Ods | 29 | Éric Bernard | Lola-Ford | 21 | Motor | 24
! Ods | 23 | Pierluigi Martini | Minardi-Ferrari | 8 | Zavrten | 10
! Ods | 32 | Roberto Moreno | Jordan-Ford | 2 | Zavrten | 9
! Ods | 25 | Thierry Boutsen | Ligier-Lamborghini | 1 | Zavrten | 21
! DNQ | 9 | Michele Alboreto | Footwork-Ford
! DNQ | 12 | Michael Bartels | Lotus-Judd
! DNQ | 35 | Eric van de Poele | Lambo-Lamborghini
! DNQ | 30 | Aguri Suzuki | Lola-Ford
! DNPQ | 18 | Fabrizio Barbazza | AGS-Ford
! DNPQ | 17 | Gabriele Tarquini | AGS-Ford
! DNPQ | 10 | Alex Caffi | Footwork-Ford
! DNPQ | 31 | Pedro Chaves | Coloni-Ford
Opombe Prve točke: Michael Schumacher
Kategorija:Formula 1 sezona 1991 1991