This Island Earth
- Taon: 1955
- Bansa: United States of America
- Genre: Science Fiction, Adventure, Horror
- Studio: Universal Pictures
- Keyword: spacecraft, flying saucer, extraterrestrial technology, mutant, nobel prize, space travel, georgia, resettlement, alien, nuclear scientist, space, scientist, death ray, interplanetary war
- Direktor: Joseph M. Newman
- Cast: Rex Reason, Faith Domergue, Jeff Morrow, Lance Fuller, Robert Nichols, Russell Johnson