Swan Island
- Chesapeake Bay
- County Down
- Crimea
- Karkinit Bay
- Little Swan Island
- Little Swan Island hutia
- Swan Island (Alaska)
- Swan Island (Michigan)
- Swan Island (Oregon)
- Swan Island (Tasmania)
- Swan Island (Victoria)
- Swan Island (band)
- Swan Island Airport
- Swan Island Shipyard
- Swan Island Site
- Swan Island, County Antrim
- Swan Island, London
- Swan Islands, Falkland Islands
- Swan Islands, Honduras
- Swan's Island, Maine
- Thames Ditton Island
- Weddell Island
- Île des Cygnes (disambiguation)