1981 Australian Formula 2 Championship
The 1981 Australian Formula 2 Championship was an Australian motor racing competition open to Australian Formula 2 racing cars. It was the 14th Australian Formula 2 Championship to be awarded by the Confederation of Australian Motor Sport.
The title was won by John Smith driving a Ralt RT1 Ford.
Calendar
The championship was contested over a six-round series.| Rd | Name | Circuit | Date | Winning driver | Car |
| 1 | Winton | 1 March | John Smith | Ralt RT1 Ford | |
| 2 | Oran Park | 3 May | John Smith | Ralt RT1 Ford | |
| 3 | Amaroo Park | 24 May | John Smith | Ralt RT1 Ford | |
| 4 | Sandown Park | 5 July | Russell Norden | Arbyen 793 Volkswagen | |
| 5 | Adelaide International Raceway | 25 October | Lucio Cesario | Ralt RT3 Volkswagen | |
| 6 | EON FM Trophy | Calder | 8 November | Lucio Cesario | Ralt RT3 Volkswagen |
All rounds were staged over two heats except for the final round at Calder, which was contested as a single race.
Points system
Championship points were awarded on a 9-6-4-3-2-1 basis for the first six positions at each round.Where a round was contested over two heats, points were allocated on a 20-16-13-11-10-9-8-7-6-5-4-3-2-1 basis for the first 14 positions in each heat and then aggregated for each driver to determine the first six positions for the round.