Calum "Baldy" MacKay (January 1, 1927 — August 21, 2001) was a Canadian professional ice hockey winger.
He played in the National Hockey League with the Detroit Red Wings and Montreal Canadiens between 1947 and 1955.
MacKay started his professional career by playing five games for the Detroit Red Wings in 1947.
In 1950, he joined the Montreal Canadiens where he played three years before being sent to the Buffalo Bisons for most of 1952 and all of 1953.
He played two more seasons for the Canadiens before he suffered a knee injury during training camp on September 30, 1955.