Look up possible world in Wiktionary, the free dictionary.
Possible Worlds may refer to:
- Possible worlds, concept in philosophy
- Possible Worlds (play), 1990 play by John Mighton
- Possible Worlds (film), 2000 film by Robert Lepage, based on the play
- Possible Worlds (studio)
- Possible Worlds, poetry book by Peter Porter
- Possible Worlds, book by J. B. S. Haldane
- Possible Worlds, 1995 album by Markus Stockhausen