Iain C. Duncan (born August 4, 1963) is a Canadian former professional ice hockey forward.
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.
From 2018 to 2020, he was the head coach and general manager of the minor professional Mentor Ice Breakers in the Federal Hockey League.
This biographical article relating to a Canadian ice hockey player is a stub.