| Grand Prix | Date | Winning Driver | Team | Laps | Time |
|---|---|---|---|---|---|
| South Africa | 01/01/1965 | Jim Clark | Lotus-Climax | 85 | 2.06'46.0 |
| Monaco | 30/05/1965 | Graham Hill | BRM | 100 | 2:37'39.6 |
| Belgium | 13/06/1965 | Jim Clark | Lotus-Climax | 32 | 2:23'34.8 |
| France | 27/06/1965 | Jim Clark | Lotus-Climax | 40 | 2:41'38.4 |
| Great Britain | 10/07/1965 | Jim Clark | Lotus-Climax | 80 | 2:05'25.4 |
| Netherlands | 18/07/1965 | Jim Clark | Lotus-Climax | 80 | 2:03'59.1 |
| Germany | 01/08/1965 | Jim Clark | Lotus-Climax | 15 | 2:07'52.4 |
| Italy | 12/09/1965 | Jackie Stewart | BRM | 76 | 2:04'52.8 |
| United States | 03/10/1965 | Graham Hill | BRM | 110 | 2:20'36.1 |
| Mexico | 24/10/1965 | Richie Ginther | Honda | 65 | 2:08'32.10 |
Points for top six finishers (9,6,4,3,2,1). Points only counted for top-placed car for each constructor. Only the best six scores counted towards the championship.