Long Island (disambiguation)
- Bleaker Island
- Changdao County
- Colm Tóibín
- Dugi Otok
- Gravenhurst, Ontario
- Harrison Lake
- Ile Longue (Peros Banhos)
- Isle of Palms, South Carolina
- Lake Winnipesaukee
- Lang Island
- List of islands of Jamaica
- List of islands of Maryland
- List of islands within the Murray River in South Australia
- List of townlands in County Down
- List of townlands in County Fermanagh
- Lon Gisland
- Long Island
- Long Island (Alaska)
- Long Island (Antarctica)
- Long Island (Bahamas Parliament constituency)
- Long Island (Broad Sound Islands)
- Long Island (California)
- Long Island (Connecticut)
- Long Island (Dorset)
- Long Island (Frobisher Bay, Nunavut)
- Long Island (Hampshire)
- Long Island (Hermitage Bay, Newfoundland)
- Long Island (Hudson Bay, Nunavut)
- Long Island (Kings County)
- Long Island (Maryland)
- Long Island (Massachusetts)
- Long Island (New South Wales)
- Long Island (Nova Scotia)
- Long Island (Papua New Guinea)
- Long Island (Placentia Bay, Newfoundland and Labrador)
- Long Island (Tasmania)
- Long Island (Tennessee)
- Long Island (Washington)
- Long Island (Western Australia)
- Long Island (Whitsunday Islands)
- Long Island (Wisconsin)
- Long Island (proposed state)
- Long Island AVA
- Long Island Beach
- Long Island City
- Long Island Ducks (disambiguation)
- Long Island Military Reservation (disambiguation)
- Long Island Railroad (disambiguation)
- Long Island Recreation Park
- Long Island Sound
- Long Island iced tea
- Long Island, Alabama
- Long Island, Andaman
- Long Island, Antigua
- Long Island, Bahamas
- Long Island, Bermuda
- Long Island, County Cork
- Long Island, Florida
- Long Island, Kansas
- Long Island, Maine
- Long Island, Marlborough
- Long Island, North Carolina
- Long Island, Seychelles
- Long Island, Southland
- Long Island, Sri Lanka
- Long Island, Virginia
- Long Islet (Tasmania)
- Makronisos
- Outer Hebrides
- Penguin Islands
- Rice Lake (Ontario)
- Rideau River
- Île Longue