Classification
| Pos | No | Driver | Constructor | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 26 | Jacques Laffite | Ligier-Matra | 63 | 2:01:25.20 | 10 | 9 |
| 2 | 7 | John Watson | McLaren-Ford | 63 | + 6.23 | 9 | 6 |
| 3 | 27 | Gilles Villeneuve | Ferrari | 63 | + 1:50.27 | 11 | 4 |
| 4 | 23 | Bruno Giacomelli | Alfa Romeo | 62 | + 1 Lap | 15 | 3 |
| 5 | 5 | Nelson Piquet | Brabham-Ford | 62 | + 1 Lap | 1 | 2 |
| 6 | 11 | Elio de Angelis | Lotus-Ford | 62 | + 1 Lap | 7 | 1 |
| 7 | 22 | Mario Andretti | Alfa Romeo | 62 | + 1 Lap | 16 | |
| 8 | 17 | Derek Daly | March-Ford | 61 | + 2 Laps | 20 | |
| 9 | 33 | Marc Surer | Theodore-Ford | 61 | + 2 Laps | 19 | |
| 10 | 2 | Carlos Reutemann | Williams-Ford | 60 | + 3 Laps | 2 | |
| 11 | 4 | Michele Alboreto | Tyrrell-Ford | 59 | + 4 Laps | 22 | |
| 12 | 3 | Eddie Cheever | Tyrrell-Ford | 56 | Engine | 14 | |
| Ret | 8 | Andrea de Cesaris | McLaren-Ford | 51 | Spun Off | 13 | |
| Ret | 15 | Alain Prost | Renault | 48 | Collision | 4 | |
| Ret | 12 | Nigel Mansell | Lotus-Ford | 45 | Collision | 5 | |
| Ret | 9 | Slim Borgudd | ATS-Ford | 40 | Spun Off | 21 | |
| Ret | 6 | Hector Rebaque | Brabham-Ford | 35 | Spun Off | 6 | |
| Ret | 32 | Jean-Pierre Jarier | Osella-Ford | 26 | Collision | 23 | |
| Ret | 1 | Alan Jones | Williams-Ford | 24 | Handling | 3 | |
| Ret | 28 | Didier Pironi | Ferrari | 24 | Ignition | 12 | |
| Ret | 14 | Eliseo Salazar | Ensign-Ford | 8 | Spun Off | 24 | |
| Ret | 25 | Patrick Tambay | Ligier-Matra | 6 | Spun Off | 17 | |
| Ret | 29 | Riccardo Patrese | Arrows-Ford | 6 | Spun Off | 18 | |
| Ret | 16 | René Arnoux | Renault | 0 | Collision | 8 | |
| DNQ | 20 | Keke Rosberg | Fittipaldi-Ford | ||||
| DNQ | 21 | Chico Serra | Fittipaldi-Ford | ||||
| DNQ | 35 | Brian Henton | Toleman-Hart | ||||
| DNQ | 30 | Jacques Villeneuve | Arrows-Ford | ||||
| DNQ | 36 | Derek Warwick | Toleman-Hart | ||||
| DNQ | 31 | Beppe Gabbiani | Osella-Ford |
Read more about this topic: 1981 Canadian Grand Prix