The 2019 Australian Formula 3 Championship was an Australian open-wheel racing series for FIA Formula 3 cars constructed and conforming to the regulations before and including 2011. The series began on 10 March 2019 at Winton Motor Raceway and concluded on 3 November 2019 at Queensland Raceway.[1] Organized by Formula Three Management Pty Ltd,[2] it was the 21st consecutive year of Australian Formula 3.
The championship was won by John Magro, winner of all the races.[3]