1990 Australian Drivers' Championship

The 1990 Australian Drivers' Championship was an Australian motor racing title sanctioned by the Confederation of Australian Motor Sport and open to Formula Holden racing cars. It was the 34th Australian Drivers' Championship and the second to be contested by Formula Holden cars. The championship winner was awarded the CAMS Gold Star.

The championship was won by Simon Kane driving a Ralt RT21.

Calendar
The championship was contested over eight rounds with one race per round.

Teams and drivers
The following teams and drivers competed in the 1990 Australian Drivers' Championship.

Points system
Championship points were awarded on a 9–6–4–3–2–1 basis to the first six finishers at each round. Each driver could retain only his/her best seven results, any other points being discarded.