Race Result
| GP n. 357 - 17/10/1981 - Grand Prix of the United States Caesars Palace |
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| Winner: | Alan Jones / Williams-Ford - 1:44'09.077 | ||||||
| Pole Position: | Carlos Reutemann / Williams-Ford - 1:17.821 | ||||||
| Fastest Lap: | Didier Pironi / Ferrari - 1:20.156 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 1 |  Alan Jones |
Williams-Ford | 75 | 1:44'09.077 | 2 | 9 |
| 2 | 15 |  Alain Prost |
Renault | 75 | +20.048 | 5 | 6 |
| 3 | 23 |  Bruno Giacomelli |
Alfa Romeo | 75 | +20.428 | 8 | 4 |
| 4 | 12 |  Nigel Mansell |
Lotus-Ford | 75 | +47.473 | 9 | 3 |
| 5 | 5 |  Nelson Piquet |
Brabham-Ford | 75 | + 1'16.438 | 4 | 2 |
| 6 | 26 | Jacques Laffite |
Ligier-Matra | 75 | + 1'18.175 | 12 | 1 |
| 7 | 7 | John Watson |
McLaren-Ford | 75 | + 1'18.497 | 6 | 0 |
| 8 | 2 |  Carlos Reutemann |
Williams-Ford | 74 | + 1 lap | 1 | 0 |
| 9 | 28 | Didier Pironi |
Ferrari | 73 | + 2 laps | 18 | 0 |
| 10 | 20 |  Keke Rosberg |
Fittipaldi-Ford | 73 | + 2 laps | 20 | 0 |
| 11 | 29 | Riccardo Patrese |
Arrows-Ford | 71 | + 4 laps | 11 | 0 |
| 12 | 8 | Andrea de Cesaris |
McLaren-Ford | 69 | + 6 laps | 14 | 0 |
| 13 | 4 | Michele Alboreto |
Tyrrell-Ford | 67 | engine | 17 | 0 |
| Nc | 14 |  Eliseo Salazar |
Ensign-Ford | 61 | not classified | 24 | 0 |
| Dsq | 27 |  Gilles Villeneuve |
Ferrari | 22 | disqualified | 3 | 0 |
| Ret | 36 | Derek Warwick |
Toleman-Hart | 43 | gear box | 22 | 0 |
| Ret | 22 |  Mario Andretti |
Alfa Romeo | 29 | suspension | 10 | 0 |
| Ret | 6 |  Hector Rebaque |
Brabham-Ford | 20 | throttle | 16 | 0 |
| Ret | 33 |  Marc Surer |
Theodore-Ford | 19 | suspension | 23 | 0 |
| Ret | 16 | Rene Arnoux |
Renault | 10 | electrical | 13 | 0 |
| Ret | 3 | Eddie Cheever |
Tyrrell-Ford | 10 | engine | 19 | 0 |
| Ret | 25 | Patrick Tambay |
Ligier-Matra | 2 | accident | 7 | 0 |
| Ret | 11 | Elio de Angelis |
Lotus-Ford | 2 | water leak | 15 | 0 |
| Ret | 32 | Jean Pierre Jarier |
Osella-Ford | 0 | transmission | 21 | 0 |
| Dnq | 30 | Jacques Villeneuve Sr |
Arrows-Ford | did not qualify | 0 | ||
| Dnq | 9 |  Slim Borgudd |
ATS-Ford | did not qualify | 0 | ||
| Dnq | 21 | Chico Serra |
Fittipaldi-Ford | did not qualify | 0 | ||
| Dnq | 17 |  Derek Daly |
March-Ford | did not qualify | 0 | ||
| Dnq | 31 | Beppe Gabbiani |
Osella-Ford | did not qualify | 0 | ||
| Dnq | 35 | Brian Henton |
Toleman-Hart | did not qualify | 0 | ||