1966 Australian Drivers' Championship

The 1966 Australian Drivers' Championship was a CAMS sanctioned Australian motor racing title for drivers of racing cars complying with either the Australian National Formula or the Australian 1½ Litre Formula. The winner of the title, which was the tenth Australian Drivers' Championship, was awarded the 1966 CAMS Gold Star.

The championship was won by Spencer Martin driving a Repco-Brabham BT11A Coventry Climax for Bob Jane Racing.

Calendar
The championship was contested over a six-round series with one race per round.

Each round also incorporated a round of the 1966 Australian One and a Half Litre Championship.

Points system
Championship points were awarded on a 9-6-4-3-2-1 basis to the first six finishers in each round. Only the best five round results could be obtained by each driver.

The championship was open to holders of a General Competition License issued by CAMS.

Results
Note:
 * Kerry Grant placed sixth at Lakeside however the New Zealand driver was not awarded championship points.
 * Roly Levis placed sixth at Surfers Paradise however the New Zealand driver was not awarded championship points.
 * Frank Gardner (Repco-Brabham) won the Hordern Trophy but was not awarded championship points as he was not classified as an "Australian Resident".