2021 Supercars Championship
The 2021 Supercars Championship is a planned motor racing series for Supercars. It is due to be the twenty-fifth running of the Supercars Championship and the twenty-fifth series in which Supercars have contested the Australian Touring Car Championship, the premier title in Australian motorsport.
Teams and drivers
The following teams and drivers are under contract to compete in the 2021 championship.Team changes
In February 2020, Holden's parent company General Motors announced it would retire the Holden name by the end of 2020. Walkinshaw Andretti United responded by announcing its preference was not to race a Holden in the championship.Driver changes
will graduate from the Super2 series and make his championship debut with Erebus Motorsport.List of planned races
The following venues are under contract to host a round of the 2021 championship:| Event | Circuit | Location | Ref. |
| Adelaide 500 |  Adelaide Street Circuit | Adelaide, South Australia | |
| Darwin Triple Crown |  Hidden Valley Raceway | Darwin, Northern Territory | |
| Gold Coast 600 |  Surfers Paradise Street Circuit | ||
| Newcastle 500 |  Newcastle Street Circuit | ||
| Sandown Super400 |  Sandown Raceway | Springvale, Victoria | |
 Symmons Plains Raceway | Launceston, Tasmania | ||
| The Bend 500 | The Bend Motorsport Park | Tailem Bend, South Australia | |
| Townsville 400 | Townsville Street Circuit | Townsville, Queensland |