Layne Sleeth (born 18 August 2001) is a Canadian professional tennis player.

Playing college tennis for the Oklahoma,[1] She played in the final 2023 NCAA Singles Championship, UCLA Chinese Tian Fangran 4–6, 2–6.

[2][3] 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.

[4] Sleeth won her first major ITF title at the W40 doubles tournament in Guadalajara, Mexico, in November 2023.