Velika nagrada Las Vegasa 1981 je bila petnajsta in zadnja dirka Svetovnega prvenstva Formule 1 v sezoni 1981. Odvijala se je 17. oktobra 1981.
Dirka
! 1 | 1 | Alan Jones | Williams-Ford | 75 | 1:44:09,077 | 2 | 9 |- ! 2 | 15 | Alain Prost | Renault | 75 | + 20,048 s | 5 | 6 |- ! 3 | 23 | Bruno Giacomelli | Alfa Romeo | 75 | + 20,428 s | 8 | 4 |- ! 4 | 12 | Nigel Mansell | Lotus-Ford | 75 | + 47,473 s | 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
! 8 | 2 | Carlos Reutemann | Williams-Ford | 74 | +1 krog | 1
! 9 | 28 | Didier Pironi | Ferrari | 73 | +2 kroga | 18
! 10 | 20 | Keke Rosberg | Fittipaldi-Ford | 73 | +2 kroga | 20
! 11 | 29 | Riccardo Patrese | Arrows-Ford | 71 | +4 krogi | 11
! 12 | 8 | Andrea de Cesaris | McLaren-Ford | 69 | +6 krogov | 14
! 13 | 4 | Michele Alboreto | Tyrrell-Ford | 67 | Motor | 17
! NC | 14 | Eliseo Salazar | Ensign-Ford | 61 | +14 krogov | 24
! Ods | 36 | Derek Warwick | Toleman-Hart | 43 | Menjalnik | 22
! Ods | 22 | Mario Andretti | Alfa Romeo | 29 | Vzmetenje | 10
! DSQ | 27 | Gilles Villeneuve | Ferrari | 22 | Diskvalifikacija | 3
! Ods | 6 | Hector Rebaque | Brabham-Ford | 20 | Pedal za plin | 16
! Ods | 33 | Marc Surer | Theodore-Ford | 19 | Vzmetenje | 23
! Ods | 3 | Eddie Cheever | Tyrrell-Ford | 10 | Motor | 19
! Ods | 16 | René Arnoux | Renault | 10 | El. sistem | 13
! Ods | 25 | Patrick Tambay | Ligier-Matra | 2 | Trčenje | 7
! Ods | 11 | Elio de Angelis | Lotus-Ford | 2 | Puščanje vode | 15
! Ods | 32 | Jean-Pierre Jarier | Osella-Ford | 0 | Prenos | 21
! DNQ | 9 | Slim Borgudd | ATS-Ford
! DNQ | 21 | Chico Serra | Fittipaldi-Ford
! DNQ | 17 | Derek Daly | March-Ford
! DNQ | 30 | Jacques Villeneuve starejši | Arrows-Ford
! DNQ | 35 | Brian Henton | Toleman-Hart
! DNQ | 31 | Beppe Gabbiani | Osella-Ford
Kategorija:Formula 1 sezona 1981 1981