Rhianna Mae Southby (born 16 October 2000) is an English cricketer who currently plays for Surrey and Southern Brave.
[9] In 2021, she played three matches in the Rachael Heyhoe Flint Trophy, as well as being part of the Oval Invincibles winning squad in The Hundred.
[15] In 2023, she played 14 matches for Southern Vipers, all in the Rachael Heyhoe Flint Trophy, taking ten catches and completing five stumpings.
[18] She was named Player of the Match during Brave's victory over Northern Superchargers, as she took two catches and completed two stumpings.
[19] In 2024, she played 24 matches for Southern Vipers, across the Rachael Heyhoe Flint Trophy and the Charlotte Edwards Cup, making 23 dismissals.