John Alexander "Chico"[1] MacDuff[2][3] (born February 16, 1950[citation needed]) is an air traffic controller and curler.
Born in Halifax, Nova Scotia, the son of Jim and Eileen MacDuff, MacDuff was the skip of the 1976 men's curling team representing the province of Newfoundland that won the 1976 Canadian Men's curling championship.
Members of the team were, Jack MacDuff, Toby McDonald, Doug Hudson and Ken Templeton.
MacDuff had previously played in the 1972 Macdonald Brier as the third for Team Newfoundland, which was skipped by Fred Durant.
The entire team were students at Memorial University of Newfoundland at the time.