Grand Prix F1 Portugal 1991

merupakan sebuah lomba balap mobil Formula Satu yang digelar pada tanggal 22 September 1991. Lomba ini dimenangkan oleh pembalap Riccardo Patrese dari tim Williams-Renault.

 Hasil lomba 
 Pos  No  Pembalap  Konstruktor  Lap  Waktu/Tersingkir  Grid  Poin 1 6  Riccardo Patrese Williams-Renault 71 1:35:42.304 1 10 2 1  Ayrton Senna McLaren-Honda 71 + 20.941 3 6 3 28  Jean Alesi Ferrari 71 + 53.554 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 Lap 7   8 33  Andrea de Cesaris Jordan-Ford 70 + 1 Lap 14   9 24  Gianni Morbidelli Minardi-Ferrari 70 + 1 Lap 13   10 32  Roberto Moreno Jordan-Ford 70 + 1 Lap 16   11 26  Érik Comas Ligier-Lamborghini 70 + 1 Lap 23   12 7  Martin Brundle Brabham-Yamaha 69 + 2 Lap 19   13 3  Satoru Nakajima Tyrrell-Honda 68 + 3 Lap 21   14 11  Mika Häkkinen Lotus-Judd 68 + 3 Lap 26   15 9  Michele Alboreto Footwork-Ford 68 + 3 Lap 24   16 25  Thierry Boutsen Ligier-Lamborghini 68 + 3 Lap 20   17 16  Ivan Capelli Leyton House-Ilmor 64 Sayap 9   Ret 4  Stefano Modena Tyrrell-Honda 56 Mesin 12   DSQ 5  Nigel Mansell Williams-Renault 51 Illegal Pit Stop 4   Ret 30  Aguri Suzuki Lola-Ford 40 Transmisi 25   Ret 27  Alain Prost Ferrari 39 Mesin 5   Ret 2  Gerhard Berger McLaren-Honda 37 Mesin 2   Ret 21  Emanuele Pirro Dallara-Judd 18 Mesin 17   Ret 22  JJ Lehto Dallara-Judd 14 Girboks 18   Ret 8  Mark Blundell Brabham-Yamaha 12 Suspensi 15   Ret 12  Johnny Herbert Lotus-Judd 1 Mesin 22   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    
 Referensi 

1991
Portugal