Alien Worlds may refer to:
Alien Worlds (comics), science fiction anthology comic book published in the early 1980s. Alien Worlds (radio series), a popular syndicated radio show that first aired in 1979 Alien Worlds, the UK broadcast name of the 2005 documentary series aired in the US as Extraterrestrial (TV program) Alien Worlds (2020 TV series), a 2020 documentary series on Netflix
See also Motu Patlu: In Alien World!, a 2016 Indian animated film Extrasolar planets in fiction