Donald Thomas Caley (October 9, 1945 – January 16, 2016) was a Canadian professional ice hockey goaltender.

On June 6, 1967, Caley was claimed in the 1967 NHL Expansion Draft by the St. Louis Blues and played one game during the 1967–68 season, on December 30, 1967 against the Toronto Maple Leafs.

He was traded to the New York Rangers during the off-season but never played for them, instead suiting up for the Omaha Knights as well as one game for the Buffalo Bisons.

On July 3, 1969, Caley was traded to the Western Hockey League's Phoenix Roadrunners where he became their starting goalie.

This biographical article relating to a Canadian ice hockey goaltender is a stub.