Unknown Island
- År: 1948
- Land: United States of America
- Sjanger: Science Fiction, Horror
- Ettromsleilighet: Albert Jay Cohen Productions
- Nøkkelord: island, fire, boat, tyrannosaurus rex, expedition, sloth, prehistoric creature, dinosaur, lost world
- Regissør: Jack Bernhard
- Cast: Virginia Grey, Phillip Reed, Richard Denning, Barton MacLane, Dick Wessel, Dan White