Prison Planet may refer to:

  • "Escape from the Prison Planet", a song by Clutch from the album Clutch
  • Prison Planet, a 2008 album by the East Coast Avengers
  • The Prison Planet, one of the primary settings of the Canadian television series Shadow Raiders
  • Prisonplanet.com, a website operated by American conspiracy theorist Alex Jones
  • Prison Planet Records, an American record label operated by members of the band Supagroup, which also released the band's early albums
  • Salusa Secundus, a fictional planet in the Dune universe, designated the Imperial Prison Planet in the storyline
  • An alternative title for The Survivors, a 1958 SF novel by Tom Godwin
  • Earth, which according to Scientology teachings, is a "prison planet" used by the Marcab Confederacy

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