The 1965 Australian Drivers' Championship was a CAMS sanctioned Australian national motor racing title open to racing cars complying with the Australian National Formula or the Australian 1½ Litre Formula. The title was contested over a six race series with the winner awarded the 1965 CAMS Gold Star. It was the ninth Australian Drivers' Championship.

The Australian Drivers' Championship was a motor racing championship contested annually from 1957 to 2014 by drivers of cars complying with Australia's premier open-wheeler racing category as determined by the Confederation of Australian Motor Sport. From 2005 to 2014 this category was Formula 3 and the championship was promoted as the Formula 3 Australian Drivers' Championship. Each year, the winner was awarded the CAMS Gold Star. The title was revived in 2021 for the new S5000 category.