Chelsea Abbey Brook (born 29 July 1998) is an Australian professional basketball player.

Brook hails from country South Australia in Truro.

[1] Brook made her debut in the WNBL with the Adelaide Lightning in the 2016–17 season.

[5] In 2016 and 2017, Brook played for the Norwood Flames in the South Australian Premier League, winning a championship in her first season.

[5] In 2017, Brook played for the Australian National University Team at the World University Games in Taipei, where Australia won gold.