The 2021 Australian Formula 3 Championship is an Australian open-wheel racing series for FIA Formula 3 cars constructed and conforming to the regulations before and including 2016,[1] having previously been before and including 2011 the previous season. The season began on 5 March 2021 at Sydney Motorsport Park and was planned to finish on 5 December 2021 at The Bend Motorsport Park.[2] Organized by Formula Three Management Pty Ltd,[3] it is to be the 22nd season of Australian Formula 3, with the 2020 season having been cancelled due to the COVID-19 pandemic.[1] This is also the first season where the championship winner would earn a prize S5000 test drive.[4] After the first round at Sydney the remaining rounds had to be cancelled due to COVID-19 travel restrictions being in place. Attention was then turned to the 2022 season.[5]