Day the World Ended
- Ano: 1955
- País: United States of America
- Xénero: Horror, Science Fiction
- Estudo: Selma Enterprises, Golden State Productions, American Releasing Corporation (ARC), American International Pictures
- Palabra clave: monster, nuclear war, radiation, holocaust (shoah), mutant, post-apocalyptic future, end of the world, survival, murder, survivalist, scientist, cannibal, radiation sickness
- Director: Roger Corman
- Reparto: Richard Denning, Lori Nelson, Paul Birch, Mike Connors, Adele Jergens, Raymond Hatton