Iain C. Duncan (born August 4, 1963) is a Canadian former professional ice hockey forward. Duncan was born in Toronto, Ontario. He played for the Bowling Green State University Falcons for four years, being named to their "all-century team" in 2000. Duncan started his National Hockey League career with the Winnipeg Jets in 1987, where he played his entire NHL career. He was named to the NHL All-Rookie Team in 1988. After the 1991 season, Duncan then played the next eight seasons in minor leagues with several clubs. He retired from hockey after 1998.