Velika nagrada Portugalske 1991 je bila trinajsta dirka Svetovnega prvenstva Formule 1 v sezoni 1991. Odvijala se je 22. septembra 1991.

Dirka

! 1 | 6 | Riccardo Patrese | Williams-Renault | 71 | 1:35:42,304 | 1 | 10 |- ! 2 | 1 | Ayrton Senna | McLaren-Honda | 71 | + 20,941 s | 3 | 6 |- ! 3 | 28 | Jean Alesi | Ferrari | 71 | + 53,554 s | 6 | 4 |- ! 4 | 23 | Pierluigi Martini | Minardi-Ferrari | 71 | + 1:03,498 | 8 | 3 |- ! 5 | 20 | Nelson Piquet | Benetton-Ford | 71 | + 1:10,033 | 11 | 2 |- ! 6 | 19 | Michael Schumacher | Benetton-Ford | 71 | + 1:16,582 | 10 | 1 |- ! 7 | 15 | Maurício Gugelmin | Leyton House-Ilmor | 70 | +1 krog | 7

! 8 | 33 | Andrea de Cesaris | Jordan-Ford | 70 | +1 krog | 14

! 9 | 24 | Gianni Morbidelli | Minardi-Ferrari | 70 | +1 krog | 13

! 10 | 32 | Roberto Moreno | Jordan-Ford | 70 | +1 krog | 21

! 11 | 26 | Érik Comas | Ligier-Lamborghini | 70 | +1 krog | 23

! 12 | 7 | Martin Brundle | Brabham-Yamaha | 69 | +2 kroga | 19

! 13 | 3 | Satoru Nakadžima | Tyrrell-Honda | 68 | +3 krogi | 17

! 14 | 11 | Mika Häkkinen | Lotus-Judd | 68 | +3 krogi | 24

! 15 | 9 | Michele Alboreto | Footwork-Ford | 68 | +3 krogi | 22

! 16 | 25 | Thierry Boutsen | Ligier-Lamborghini | 68 | +3 krogi | 20

! 17 | 16 | Ivan Capelli | Leyton House-Ilmor | 64 | Zavrten | 9

! Ods | 4 | Stefano Modena | Tyrrell-Honda | 56 | Motor | 12

! DSQ | 5 | Nigel Mansell | Williams-Renault | 51 | Diskvalifikacija | 4

! Ods | 30 | Aguri Suzuki | Lola-Ford | 40 | Prenos | 25

! Ods | 27 | Alain Prost | Ferrari | 39 | Motor | 5

! Ods | 2 | Gerhard Berger | McLaren-Honda | 37 | Motor | 2

! Ods | 21 | Emanuele Pirro | Dallara-Judd | 18 | Motor | 16

! Ods | 22 | Jyrki Järvilehto | Dallara-Judd | 21 | Menjalnik | 18

! Ods | 8 | Mark Blundell | Brabham-Yamaha | 12 | Vzmetenje | 15

! Ods | 12 | Johnny Herbert | Lotus-Judd | 1 | Motor | 26

! DNQ | 29 | Éric Bernard | Lola-Ford

! DNQ | 17 | Gabriele Tarquini | AGS-Ford

! DNQ | 34 | Nicola Larini | Lambo-Lamborghini

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

! DNPQ | 18 | Fabrizio Barbazza | AGS-Ford

! DNPQ | 14 | Olivier Grouillard | Fondmetal-Ford

! DNPQ | 10 | Alex Caffi | Footwork-Ford

! DNPQ | 31 | Pedro Chaves | Coloni-Ford

Kategorija:Formula 1 sezona 1991 1991