Courtney John Lock (born 18 October 1996) is a Zimbabwean tennis player.

[2] He has won 19 doubles titles on the ITF professional circuit.

Lock received his education at the University of Nevada, Las Vegas (USA).

In June 2024, the Lock brothers won their first Challenger title together in Blois, France making it the first team from Zimbabwe to win an ATP Challenger or tour-level event since Wayne Black and Kevin Ullyett at the 2005 Australian Open.

This biographical article relating to Zimbabwean tennis is a stub.