Layne Sleeth (born 18 August 2001) is a Canadian professional tennis and pickleball player.
Playing college tennis for the Oklahoma, She played in the final 2023 NCAA Singles Championship, UCLA Chinese Tian Fangran .
Sleeth has a career high WTA singles ranking of 574 achieved on 29 July 2019. She also has a career high WTA doubles ranking of 332 achieved on 10 June 2024.
Sleeth won her first major ITF title at the W40 doubles tournament in Guadalajara, Mexico, in November 2023.