Buck Island

Buck Island may refer to:


 * Buck Island Reef National Monument near Saint Croix, U.S. Virgin Islands
 * Buck Island National Wildlife Refuge near Saint Thomas, U.S. Virgin Islands
 * Buck Island (British Virgin Islands)
 * Buck Island (Oregon) in Upper Klamath Lake, Oregon
 * Buck Island (Washington), one of the San Juan Islands, Washington
 * Buck Island, County Fermanagh, a townland in Belleek, County Fermanagh, Northern Ireland