Er bestaan 3 plaatsen met de naam Duke Island in Canada.
Alle plaatsen in de wereld die "Duke Island" heten.
Wellington (4)
Windsor (4)
Kingston (3)
Victoria (3)
Havelock (3)
Sidney (3)
Centreville (3)
Princeton (3)
Borden (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Lomond (2)
Newport (2)
Rosedale (2)
Seaforth (2)
Tiverton (2)
Whitney (2)
Beaver Crossing (2)
Campbellton (2)
Coronation (2)
Fauquier (2)
Herschel (2)
Minto (2)
Port Maitland (2)
Saint-Jean (2)