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.| Round | Race | Circuit | State | Date | Round winner | Car |
| 1 | Governor's Trophy | Lakeside | Queensland | 10 July | Spencer Martin | Repco Brabham BT11A Coventry Climax |
| 2 | Surfers Paradise Trophy | Surfers Paradise | Queensland | 14 August | Spencer Martin | Repco Brabham BT11A Coventry Climax |
| 3 | Country Club Trophy | Mallala | South Australia | 10 October | John Harvey | Repco Brabham BT14 Ford |
| 4 | Victorian Trophy | Sandown | Victoria | 16 October | Spencer Martin | Repco Brabham BT11A Coventry Climax |
| 5 | Examiner 1000 | Symmons Plains | Tasmania | 13 November | Greg Cusack | Lotus 32B Coventry Climax |
| 6 | Hordern Trophy | Warwick Farm | New South Wales | 4 December | Kevin Bartlett | Repco Brabham BT11A Coventry Climax |
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 won the Hordern Trophy but was not awarded championship points as he was not classified as an "Australian Resident".