The 1970 Australian Formula 2 Championship was an Australian motor racing title for drivers of racing cars complying with Australian Formula 2 regulations. The title, which was recognised by the Confederation of Australian Motor Sport as the fourth Australian Formula 2 Championship, was decided over a single 40-lap, race, staged at the Lakeside circuit in Queensland, Australia on 27 September 1970. There were seven starters in the event.
The championship was won by Max Stewart driving a Mildren Waggott.