1965 Formula One season

Jim Clark won his second and final championship, driving a Lotus-Climax.
Graham Hill finished as runner-up in the World Drivers' Championship for the third season in a row.
Jackie Stewart finished third in his first Formula One season.
BRM finished second in the International Cup for F1 Manufacturers with the BRM P261.
Brabham finished third in the International Cup for F1 Manufacturers with the Brabham BT7 & BT11.

The 1965 Formula One season was the 19th season of FIA Formula One racing. It featured the 16th World Championship of Drivers, the 8th International Cup for F1 Manufacturers, and seven non-championship races open to Formula One cars. The World Championship was contested over ten races between 1 January and 24 October 1965.

Jim Clark won the Drivers' Championship in a Lotus-Climax. It was his second and last championship. Lotus were also awarded the International Cup for F1 Manufacturers for the second time.