2021 Cancelled Grand Prix's.
In light of the COVID-19 outbreak world wide in 2020, many countries and organizers have had to comply with continued updates and changes to host countries and local laws to bring under control the COVID-19 outbreak. With that many events had to be cancelled at the last moment due to a dynamic risk assessments which resulted in the Cancelling of the Grand Prix's. The list below notes the Grand Prix's that were on the 2021 Formula 1 season but due to the noted reasons stated would be Cancelled in 2021 Grand Prix Season.
| Postponed / Cancelled Grand Prix | ||||
| Grand Prix | Circuit | Original Event Date | ||
| Grand Prix of China | Shanghai International Circuit, Shanghai | 11 April 2021 | Cancelled | |
| Grand Prix of Canada | Circuit of Gilles Villeneuve, Montreal | 13 June 2021 | Cancelled | |
| Grand Prix of Singapore | Marina Bay Street Circuit, Singapore | 3 October 2021 | Cancelled | |
| Grand Prix of Japan | Suzuka International Racing Circuit, Suzuka | 10 October 2021 | Cancelled | |
| Grand Prix of Australia | Albert Park Circuit, Melbourne | 21 November 2021 | Cancelled | |