Swan Island may refer to:
Places
Australia
- Little Swan Island, Tasmania
- Swan Island (Tasmania)
- Swan Island (Victoria)
Falkland Islands
- Swan Islands, Falkland Islands
- Weddell Island, formerly Swan Island
United Kingdom
- Swan Island, London
- Swan Island, Surrey
- Swan Island, County Down, a townland in County Down, Northern Ireland
- Swan Island, County Antrim, a townland in County Antrim, Northern Ireland
United States
- Swan Island (Alaska)
- Swan Island (Chesapeake Bay), Chesapeake Bay
- Swan Island (Oregon)
- Swan Island Site, Illinois, an archaeological site
- Swan Island (Michigan)
Elsewhere
- Swan Islands, Honduras
- Swan Islands, Karkinit Bay, Ukraine, off the northwestern Crimean coast
Other uses
- Swan Island (band), a rock band from Portland, Oregon
- Swan Island Airport, Swan Island, Portland
- Swan Island Shipyard, Swan Island, Portland
See also
- Swan's Island, Maine
- Little Swan Island hutia, an extinct species of rodent
- Île des Cygnes (disambiguation), French for Swan Island or Island of Swans