Er bestaan 6 plaatsen met de naam Duncan Island in Canada.
Alle plaatsen in de wereld die "Duncan Island" heten.
Wellington (4)
Windsor (4)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Abbotsford (2)
Bissett (2)
Charlottetown (2)
Delta (2)
Georgetown (2)
Kildonan (2)
Port Elgin (2)
Saint-Jacques (2)
Simpson (2)
Vernon (2)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)