1973 Australian Formula 2 Championship
The 1973 Australian Formula 2 Championship was a CAMS sanctioned motor racing title open to Australian [Formula 2] racing cars. It was the seventh Australian [Formula 2 Championship] to be awarded by CAMS.
The championship was dominated by multiple-championship winning driver Leo Geoghegan, who scored a perfect 54 points from six round wins over the course of the season.
Calendar
The championship was contested over a seven-round series with one race per round.| Round | Circuit | State | Date |
| 1 | Hume Weir [Motor Racing Circuit|Hume Weir] | Victoria | 3-Jun |
| 2 | Oran Park | New South Wales | 5 August |
| 3 | Amaroo Park | New South Wales | 19 August |
| 4 | Surfers [Paradise International Raceway|Surfers Paradise] | Queensland | 2 September |
| 5 | Symmons Plains | Tasmania | 23 September |
| 6 | Adelaide International Raceway | South Australia | 7 October |
| 7 | Calder | Victoria | 21-Oct |