| Type: | CUST |
| Description: | Race 6 of 8 in 1966 Tasman Series |
| Grand Prix: | Australian |
| Country: | Australia |
| Location: | Lakeside Raceway, Brisbane, Queensland, Australia |
| Date: | 22 February |
| Year: | 1966 |
| Course: | Permanent racing facility |
| Course Mi: | 1.5 |
| Course Km: | 2.4 |
| Distance Laps: | 66 |
| Distance Mi: | 99 |
| Distance Km: | 158.4 |
| Weather: | Sunny |
| Pole Driver: | Jackie Stewart |
| Pole Country: | UK |
| Pole Team: | BRM |
| Pole Time: | 0'55.5 |
| Fast Driver: | Jackie Stewart Graham Hill |
| Fast Team: | BRM BRM |
| Fast Time: | 0'55.9 |
| Fast Country: | UK |
| First Driver: | Graham Hill |
| First Country: | UK |
| First Team: | BRM |
| Second Driver: | Frank Gardner |
| Second Country: | Australia |
| Second Team: | Brabham-Climax |
| Third Driver: | Jim Clark |
| Third Country: | UK |
| Third Team: | Lotus-Climax |
The 1966 Australian Grand Prix was a motor race staged on 20 February 1966 at the Lakeside Circuit[1] in Queensland, Australia. The race, which had 15 starters,[2] was open to Racing Cars complying with the Australian National Formula or the Australian 1½ Litre Formula.[3] It was both the 31st Australian Grand Prix[4] and race 6 of the 1966 Tasman Championship for Drivers.[5]
Graham Hill won the race driving BRM P261.[2] It was his only Australian Grand Prix victory.[4]
Results as follows:[6]
| Pos | No.[7] | Driver | Entrant | Car / Engine | Laps | Time |
|---|---|---|---|---|---|---|
| 1 | 2 | Graham Hill | Owen Racing Organisation[8] | BRM P261 / BRM V8 1.9 | 66 | 1h 02m 38.0s |
| 2 | 4 |  Frank Gardner | Alec Mildren Racing P/L | Brabham BT11A / Climax FPF | 66 | 1h 02m 55.0s |
| 3 | 1 | Jim Clark | Team Lotus | Lotus 39 / Climax FPF | 66 | 1h 02m 57.0s |
| 4 | 17 |  Jim Palmer | Jim Palmer Motor Racing | Lotus 32B / Climax FPF | 64 | |
| 5 | 14 | Kevin Bartlett | Alec Mildren Racing P/L | Brabham BT2 / Ford 1.5 | 63 | |
| 6 | 20 | Glyn Scott | Glyn Scott Motors | Lotus 27 / Ford 1.5 | 63 | |
| 7 | 16 | Andy Buchanan | Wilson Motors | Brabham BT7A / Climax FPF | 63 | |
| 8 | 6 | John Harvey | R.C. Phillips Sports Car World | Brabham BT14 / Ford 1.5 | 62 | |
| 9 | 5 | Leo Geoghegan | Total Team | Lotus 32 / Ford 1.5 | 39 | Bent Wishbone |
| Ret | 11 | Spencer Martin | Scuderia Veloce | Brabham BT11A / Climax FPF | 47 | Fuel Pump |
| Ret | 7 | Greg Cusack | Greg Cusack | Brabham BT10 / Ford 1.5 | 30 | Accident |
| Ret | 3 | Jackie Stewart | Owen Racing Organisation | BRM P261 / BRM V8 1.9 | 28 | Gearbox |
| Ret | 26 | Mel McEwin | Mel McEwin | Elfin Mono / Ford 1.5 | 26 | Fuel Pump |
| Ret | 19 | John McDonald | Bill Patterson Motors | Cooper T70/79 / Climax FPF | 23 | Water Pump |
| Ret | 9 | Dennis Marwood | Ecurie Rothmans | Cooper T66 / Climax FPF | 7 | Oil Pressure |
| DNQ | 23 | Paul Bolton | Town & Country Garage | Brabham BT6 / Ford 1.5 | ||
| DNQ | 25 | Les Howard | Howard & Sons Racing Team | Lotus 27 / Ford 1.5 | ||
| DNQ | 50 | Bob Jane | Autoland Pty. Ltd. | Elfin Mono / Ford 1.5 | ||
| DNQ | 21 | Roly Levis | R.A. Levis | Brabham BT6 / Ford 1.5 | ||
| DNQ | 44 | Max Stewart | Max Stewart Motors | Rennmax BN1 / Ford 1.5 | ||
| DNQ | 10 | Peter Williamson | J. McGuire | Elfin FJ / Hillman 1.0 | ||
Jackie Stewart – 0'55.5
Jackie Stewart / Graham Hill – 0'55.9