Grand Prix F1 Amerika Serikat 1991

GP AS 1991 digelar di sirkuit jalan raya Phoenix pada 10 Maret 1991 dan menjadi balapan terakhir di AS sebelum kembali ke kalender pada tahun 2000.

Hasil lomba

Pos	No	Pembalap	Tim	Lap	Waktu/Tersingkir	Grid	Poin
1	1	Ayrton Senna	McLaren-Honda	81	2:00.47.828	1	10
2	27	Alain Prost	Ferrari	81	+ 16.322	2	6
3	20	Nelson Piquet	Benetton-Ford	81	+ 1:17.376	5	4
4	4	Stefano Modena	Tyrrell-Honda	81	+ 1:25.409	11	3
5	3	Satoru Nakajima	Tyrrell-Honda	80	+ 1 Lap	16	2
6	30	Aguri Suzuki	Larrousse-Ford	79	+ 2 Lap	21	1
7	34	Nicola Larini	Lambo-Lamborghini	78	+ 3 Lap	17
8	17	Gabriele Tarquini	AGS-Ford	77	+ 4 Lap	22
9	23	Pierluigi Martini	Minardi-Ferrari	75	Mesin	15
10	32	Bertrand Gachot	Jordan-Ford	75	Mesin	14
11	7	Martin Brundle	Brabham-Yamaha	73	+ 8 Lap	12
12	28	Jean Alesi	Ferrari	72	Girboks	6
13	11	Mika Häkkinen	Lotus-Judd	59	Mesin	13
Ret	6	Riccardo Patrese	Williams-Renault	49	Girboks	3
Ret	19	Roberto Moreno	Benetton-Ford	49	Kecelakaan	8
Ret	9	Michele Alboreto	Footwork-Porsche	41	Mesin	25
Ret	16	Ivan Capelli	Leyton House-Ilmor	40	Girboks	18
Ret	25	Thierry Boutsen	Ligier-Lamborghini	40	Mesin	20
Ret	2	Gerhard Berger	McLaren-Honda	36	Sistem BBM	7
Ret	5	Nigel Mansell	Williams-Renault	35	Girboks	4
Ret	15	Maurício Gugelmin	Leyton House-Ilmor	34	Girboks	23
Ret	8	Mark Blundell	Brabham-Yamaha	32	Melintir	24
Ret	21	Emanuele Pirro	Dallara-Judd	16	Girboks	9
Ret	24	Gianni Morbidelli	Minardi-Ferrari	15	Girboks	26
Ret	22	Jyrki Järvilehto	Dallara-Judd	12	Girboks	10
Ret	29	Éric Bernard	Larrousse-Ford	4	Mesin	19
DNQ	10	Alex Caffi	Footwork-Porsche
DNQ	18	Stefan Johansson	AGS-Ford
DNQ	26	Érik Comas	Ligier-Lamborghini
DNQ	12	Julian Bailey	Lotus-Judd
DNPQ	33	Andrea de Cesaris	Jordan-Ford
DNPQ	31	Pedro Chaves	Coloni-Ford
DNPQ	14	Olivier Grouillard	Fondmetal-Ford
DNPQ	35	Eric van de Poele	Lambo-Lamborghini