The 2020 Rachael Heyhoe Flint Trophy was the first edition of the Rachael Heyhoe Flint Trophy, an English women's cricket domestic competition, which took place between 29 August and 27 September 2020. It featured eight teams in two groups, and had a final. The tournament was named after former England captain Rachael Heyhoe Flint, Baroness Heyhoe-Flint, who died in 2017.

The Rachael Heyhoe Flint Trophy is an English and Welsh women's cricket domestic competition, named after former England captain Rachael Heyhoe Flint, Baroness Heyhoe-Flint, who died in 2017. The first edition of the tournament took place during August and September 2020, with the Southern Vipers beating the Northern Diamonds in the final. Initially started as a one-off tournament, in February 2021 the England and Wales Cricket Board (ECB) announced it would return for the 2021 season as a permanent part of the women's domestic structure in England and Wales, alongside the Charlotte Edwards Cup.