2021 S5000 Australian Drivers' Championship

The season was held over 4 rounds, it began in January at Symmons Plains Raceway and ended in May at Sydney Motorsport Park.

Joey Mawson won the Australian Drivers' Championship (MA Gold Star) title.

Qualifying was held during the opening round at Melbourne, but the event was abandoned on March 13, 2020, as the headlining Australian Grand Prix had been cancelled by Formula 1 because of McLaren's withdrawal after a team member was tested positive for COVID-19.

[18] With multiple disruptions delaying the season start due to the COVID-19 pandemic, heavy border restrictions in Australia further complicating the holding of the championship,[19][20] and various calendar revisions that did not went ahead as scheduled,[21][22][23][24] the season started in January 2021, with a four-round calendar where one venue was still to be announced.

See: 2021 S5000 Tasman Series The follow-up season, initially billed as the 2021–2022 S5000 Australian Drivers Championship, was planned to feature the inaugural holding of the S5000 International Triple Crown, a stand-alone series-within-the-series consisting of the three events held in Melbourne, Bathurst and Gold Coast, supporting the Australian Grand Prix, the Bathurst International and the Gold Coast 500 respectively.