| Type: | CUST |
| Grand Prix: | Canadian |
| Flag Suffix: | 1957 |
| Country: | Canada |
| Location: | Mosport Park, Bowmanville, Ontario, Canada |
| Date: | September 30 |
| Year: | 1961 |
| Course: | Permanent racing facility |
| Course Mi: | 2.459 |
| Course Km: | 3.957 |
| Distance Laps: | 100 |
| Distance Mi: | 245.9 |
| Distance Km: | 395.7 |
| Weather: | Warm with temperatures approaching 26.7C; wind speeds up to 15km/h[1] |
| Pole Driver: | Stirling Moss |
| Pole Country: | UK |
| Pole Team: | Lotus-Climax |
| Pole Time: | 1:35.7 |
| Fast Driver: | Stirling Moss |
| Fast Team: | Lotus-Climax |
| Fast Time: | 1:34.2 |
| Fast Country: | UK |
| First Driver: | Peter Ryan |
| First Country: | Canada |
| First Flag Suffix: | 1957 |
| First Team: | Lotus-Climax |
| Second Driver: | Pedro Rodríguez |
| Second Country: | Mexico |
| Second Flag Suffix: | 1934 |
| Second Team: | Ferrari |
| Third Driver: | Stirling Moss |
| Third Country: | UK |
| Third Team: | Lotus-Climax |
The 1961 Canadian Grand Prix was a motor race held at Mosport Park on September 30, 1961, held for sports cars eligible for the Canadian Sports Car Championship regulations. 26 cars started the race. It was the first time a motor race had carried the name Canadian Grand Prix, which in future years would become an event on the Formula One world championship. The race was won by Canadian driver Peter Ryan driving a Lotus 19. Ryan finished a lap ahead of Mexican racer Pedro Rodríguez driving a North American Racing Team-run Ferrari 250 TR with pole sitter Stirling Moss third in another Lotus 19 run by his Formula One team, UDT Laystall Racing.
Class winners in bold.
| Pos | Class | No | Driver | Car | Team | Laps | Time/Retired | Grid |
|---|---|---|---|---|---|---|---|---|
| 1 | +2.0 | 52 |  Peter Ryan | Lotus 19-Climax | Comstock Racing Team | 100 | 2:46:44 | 3 |
| 2 | +2.0 | 2 | Ferrari 250 TRI/61 | 99 | − 1 lap | 4 | ||
| 3 | +2.0 | 7 | 99 | − 1 lap | 1 | |||
| 4 | +2.0 | 20 | 99 | − 1 lap | 5 | |||
| 5 | 2.0 | 39 | Ludwig Heimrath | Porsche 718 RS 60 | Eglinton & Caledonia Motors Ltd. | 97 | − 3 laps | 7 |
| 6 | 2.0 | 3 | 96 | − 4 laps | 16 | |||
| 7 | 2.0 | 25 | R. M. Hollingshead Corp. of Canada Ltd. | 92 | − 8 laps | 12 | ||
| 8 | 2.0 | 86 | Porsche 718 RS 61 | Herb Swan | 92 | − 8 laps | 11 | |
| 9 | 2.0 | 8 | Osca S1000 | 88 | − 12 laps | 19 | ||
| 10 | 2.0 | 131 | Brent Morris | 88 | − 12 laps | 18 | ||
| 11 | +2.0 | 72 | Manshaw Motors | 84 | − 16 laps | |||
| 12 DNF | +2.0 | 6 | 82 | Transmission | 2 | |||
| 13 | +2.0 | 169 | Tidewater Oil Co. of Canada | 80 | − 20 laps | 15 | ||
| 14 | +2.0 | 4 | Wayne Burnett | 80 | − 20 laps | |||
| 15 DNF | +2.0 | 13 | Chevrolet Special | Laura Nelson Clift | 70 | Retired | 9 | |
| 16 DNF | +2.0 | 1 | 48 | Oil pressure | 6 | |||
| 17 DNF | +2.0 | 11 | Robert Kert | 34 | Retired | 14 | ||
| 18 DNF | 2.0 | 140 | Triumph Special | 25 | Retired | 20 | ||
| 19 DNF | +2.0 | 51 | Dan Shaw | Comstock Racing Team | 20 | Transmission | ||
| 20 DNF | 2.0 | 75 | Osca 2000 | 12 | Retired | |||
| 21 DNF | 2.0 | 49 | Downtown Porsche | 7 | Engine | |||
| 22 DNF | 2.0 | 5 | Herb Swan | 6 | Retired | |||
| 23 DNF | 2.0 | 14 | Porsche 718 RS 61 | Holbert's Garage | 0 | Accident | 8 | |
| 24 DNF | +2.0 | 10 | George Makins | Makins Auto Body | 0 | Front axle | 17 | |
| DSQ | +2.0 | 63 | Ferrari 250 TR 59/60 | 96 | Pit violation | 10 | ||
| DSQ | 2.0 | 132 | Gulliver Motor Ltd. | 94 | Pit violation | 13 | ||
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