Velika nagrada Monaka 1991 je bila četrta dirka Svetovnega prvenstva Formule 1 v sezoni 1991. Odvijala se je 12. maja 1991.

350px|thumb|right|Zmagovalec Ayrton Senna, McLaren 350px|thumb|right|Drugouvrščeni Nigel Mansell, Williams 350px|thumb|right|Petouvrščeni Alain Prost, Ferrari Dirka

! 1 | 1 | Ayrton Senna | McLaren-Honda | 78 | 1:53:02,334 | 1 | 10 |- ! 2 | 5 | Nigel Mansell | Williams-Renault | 78 | + 18,348 s | 5 | 6 |- ! 3 | 28 | Jean Alesi | Ferrari | 78 | + 47,455 s | 9 | 4 |- ! 4 | 19 | Roberto Moreno | Benetton-Ford | 77 | +1 krog | 8 | 3 |- ! 5 | 27 | Alain Prost | Ferrari | 77 | +1 krog | 7 | 2 |- ! 6 | 21 | Emanuele Pirro | Dallara-Judd | 77 | +1 krog | 12 | 1 |- ! 7 | 25 | Thierry Boutsen | Ligier-Lamborghini | 76 | +2 kroga | 16

! 8 | 32 | Bertrand Gachot | Jordan-Ford | 76 | +2 kroga | 23

! 9 | 29 | Éric Bernard | Lola-Ford | 76 | +2 kroga | 13

! 10 | 26 | Érik Comas | Ligier-Lamborghini | 76 | +2 kroga | 26

! 11 | 22 | Jyrki Järvilehto | Dallara-Judd | 75 | +3 krogi | 21

! 12 | 23 | Pierluigi Martini | Minardi-Ferrari | 72 | +6 krogov | 14

! Ods | 11 | Mika Häkkinen | Lotus-Judd | 64 | Puščanje olja | 25

! Ods | 24 | Gianni Morbidelli | Minardi-Ferrari | 49 | Menjalnik | 17

! Ods | 15 | Maurício Gugelmin | Leyton House-Ilmor | 43 | Pedal za plin | 15

! Ods | 4 | Stefano Modena | Tyrrell-Honda | 42 | Motor | 2

! Ods | 6 | Riccardo Patrese | Williams-Renault | 42 | Zavrten | 3

! Ods | 8 | Mark Blundell | Brabham-Yamaha | 41 | Zavrten | 19

! Ods | 9 | Michele Alboreto | Footwork-Porsche | 39 | Motor | 22

! Ods | 3 | Satoru Nakadžima | Tyrrell-Honda | 35 | Zavrten | 11

! Ods | 30 | Aguri Suzuki | Lola-Ford | 24 | Motor | 20

! Ods | 33 | Andrea de Cesaris | Jordan-Ford | 21 | Pedal za plin | 10

! Ods | 16 | Ivan Capelli | Leyton House-Ilmor | 12 | Zavore | 18

! Ods | 17 | Gabriele Tarquini | AGS-Ford | 9 | Menjalnik | 24

! Ods | 2 | Gerhard Berger | McLaren-Honda | 9 | Zavrten | 6

! Ods | 20 | Nelson Piquet | Benetton-Ford | 0 | Vzmetenje | 4

! DNQ | 12 | Julian Bailey | Lotus-Judd

! DNQ | 18 | Fabrizio Barbazza | AGS-Ford

! DNQ | 10 | Alex Caffi | Footwork-Porsche

! DNQ | 7 | Martin Brundle | Brabham-Yamaha

! DNPQ | 34 | Nicola Larini | Lambo-Lamborghini

! DNPQ | 35 | Eric van de Poele | Lambo-Lamborghini

! DNPQ | 31 | Pedro Chaves | Coloni-Ford

! DNPQ | 14 | Olivier Grouillard | Fondmetal-Ford

Opombe

Najhitrejši krog: Alain Prost 1'24.360

Kategorija:Formula 1 sezona 1991 1991