The 1970 Australian Drivers' Championship was a CAMS sanctioned motor racing title for drivers of Australian Formula 1 and Australian Formula 2 racing cars. The winner of the title, which was the fourteenth Australian Drivers' Championship, was awarded the 1970 CAMS Gold Star.
The championship was won by Leo Geoghegan driving a Lotus 39 Repco and a Lotus 59B Waggott.
The championship was contested over six rounds with one race per round.
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 retained by each driver.
Note: There were only five classified finishers at the Mallala round.