The 1981 Canadian Grand Prix was Round 14 of the 1981 FIA Formula 1 World Championship. The event was held in Montreal, Canada on Sunday, 27 September 1981. Nelson Piquet started on pole position in the Brabham Ford and Jacques Laffite was the race winner in the Ligier Matra.
1981 Canadian Grand Prix Race Results
| Pos. | No. | Driver | Nationality | Team | Tyre | Laps | Time/Retired | Race Time | Gap | Interval | Best Lap | Lap | Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 26 | Jacques Laffite | France | Ligier Matra | Michelin | 63 | 2:01:25.20 | 2:01:25.200 | - | - | 1:49.765 | 46 | 137.290 | 10 | 9 |
| 2 | 7 | John Watson | Great Britain | McLaren Ford | Michelin | 63 | +6.230 | 2:01:31.430 | +6.230 | +6.230 | 1:49.475 | 43 | 137.170 | 9 | 6 |
| 3 | 27 | Gilles Villeneuve | Canada | Ferrari | Michelin | 63 | +1:50.270 | 2:03:15.470 | +1:50.270 | +1:44.040 | 1:52.087 | 47 | 135.240 | 11 | 4 |
| 4 | 23 | Bruno Giacomelli | Italy | Alfa Romeo | Michelin | 62 | +1 lap | 1 lap | 1 lap | 1:51.490 | 55 | 15 | 3 | ||
| 5 | 5 | Nelson Piquet | Brazil | Brabham Ford | Goodyear | 62 | +1 lap | 1 lap | 1:51.849 | 45 | 1 | 2 | |||
| 6 | 11 | Elio de Angelis | Italy | Lotus Ford | Goodyear | 62 | +1 lap | 1 lap | 1:51.927 | 47 | 7 | 1 | |||
| 7 | 22 | Mario Andretti | United States | Alfa Romeo | Michelin | 62 | +1 lap | 1 lap | 1:52.580 | 61 | 16 | ||||
| 8 | 17 | Derek Daly | Ireland | March Ford | Avon | 61 | +2 laps | 2 laps | 1 lap | 1:54.946 | 41 | 20 | |||
| 9 | 33 | Marc Surer | Switzerland | Theodore Ford | Avon | 61 | +2 laps | 2 laps | 1:51.020 | 40 | 19 | ||||
| 10 | 2 | Carlos Reutemann | Argentina | Williams Ford | Goodyear | 60 | +3 laps | 3 laps | 1 lap | 1:50.309 | 39 | 2 | |||
| 11 | 4 | Michele Alboreto | Italy | Tyrrell Ford | Avon | 59 | +4 laps | 4 laps | 1 lap | 1:55.977 | 52 | 22 | |||
| 12 | 3 | Eddie Cheever | United States | Tyrrell Ford | Goodyear | 56 | Engine | 7 laps | 3 laps | 1:53.964 | 42 | 14 | |||
| DNF | 8 | Andrea de Cesaris | Italy | McLaren Ford | Michelin | 51 | Spun Off | 1:50.762 | 46 | 13 | |||||
| DNF | 15 | Alain Prost | France | Renault | Michelin | 48 | Collision | 1:51.197 | 48 | 4 | |||||
| DNF | 12 | Nigel Mansell | Great Britain | Lotus Ford | Goodyear | 45 | Collision | 1:56.718 | 37 | 5 | |||||
| DNF | 9 | Slim Borgudd | Sweden | ATS Ford | Avon | 40 | Spun Off | 1:54.794 | 38 | 21 | |||||
| DNF | 6 | Hector Rebaque | Mexico | Brabham Ford | Goodyear | 35 | Spun Off | 1:55.172 | 33 | 6 | |||||
| DNF | 32 | Jean-Pierre Jarier | France | Osella Hart | Michelin | 26 | Collision | 1:55.949 | 26 | 23 | |||||
| DNF | 1 | Alan Jones | Australia | Williams Ford | Goodyear | 24 | Handling | 1:56.624 | 5 | 3 | |||||
| DNF | 28 | Didier Pironi | France | Ferrari | Michelin | 24 | Ignition | 1:56.285 | 24 | 12 | |||||
| DNF | 14 | Eliseo Salazar | Chile | Ensign Ford | Avon | 8 | Spun Off | 2:03.264 | 4 | 24 | |||||
| DNF | 25 | Patrick Tambay | France | Ligier Matra | Michelin | 6 | Spun Off | 1:59.888 | 4 | 17 | |||||
| DNF | 29 | Riccardo Patrese | Italy | Arrows Ford | Pirelli | 6 | Spun Off | 2:07.558 | 3 | 18 | |||||
| DNF | 16 | René Arnoux | France | Renault | Michelin | Collision | 8 | ||||||||
| DNQ | 20 | Keke Rosberg | Finland | Fittipaldi Ford | Pirelli | ||||||||||
| DNQ | 21 | Chico Serra | Brazil | Fittipaldi Ford | Pirelli | ||||||||||
| DNQ | 35 | Brian Henton | Great Britain | Toleman Hart | Pirelli | ||||||||||
| DNQ | 30 | Jacques Villeneuve | Canada | Arrows Ford | Pirelli | ||||||||||
| DNQ | 36 | Derek Warwick | Great Britain | Toleman Hart | Pirelli | ||||||||||
| DNQ | 31 | Beppe Gabbiani | Italy | Osella Hart | Michelin |