Zachary Clay (born July 5, 1995) is a Canadian former artistic gymnast. He is the 2017 Pan American and 2023 Pan American Games champion on pommel horse. He represented Canada at the 2024 Olympic Games.

Clay helped Canada win the bronze medal in the team final at the 2014 Commonwealth Games held in Glasgow, Scotland.

In 2015 Clay tore his ACL and fractured his tibia during a competition.

Clay competed at the 2017 Pan American Championships. He won gold on pommel horse, earning his first major international title. He later competed at the World Championships where he placed 21st in the all-around.

At the 2018 Commonwealth Games Clay helped Canada finish second as a team. Individually he won the bronze medal on pommel horse behind Rhys McClenaghan and Max Whitlock. In September Clay competed at the 2018 Pan American Championships where he helped Canada finish fifth as a team. The following month he competed at the World Championships where he helped Canada finish 18th during qualifications.

Clay represented Canada at the 2019 Pan American Games held in Lima, Peru. He helped Canada win the bronze medal in the team final. Individually he placed sixth during the pommel horse final.

Clay competed at the DTB Pokal Team Challenge and Mixed Cup in Stuttgart. During the team challenge he helped Canada finish fifth as a team. At the 2022 World Championships Clay helped the Canadian team finish tenth during qualifications. He did not qualify for any individual finals.

Clay competed at the 2023 Pan American Championships where he helped Canada win the silver medal.