Miss Universe Great Britain 2020 was the 12th Miss Universe Great Britain pageant. It was held in London on 8 March 2021. Originally scheduled for 11 July 2020, but due to the COVID-19 pandemic, this was rescheduled to 19 December 2020 and delayed once again hours before the event was to start due to the new strain of virus detected in Southeast England, this was out from the schedule for the second time.
Jeanette Akua was virtually crowned Miss Great Britain 2020 by Emma Jenkins of Wales as her successor at the end of the event. Akua represented Great Britain at the Miss Universe 2020 pageant, and placed into the top twenty-one.