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