Possible Worlds

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