Rura Penthe is the name of a fictional penal colony in the following works:
A penal colony island in the 1954 Disney film 20,000 Leagues Under the Sea A Klingon penal planetoid in the Star Trek universe, featured in: The 1991 feature film Star Trek VI: The Undiscovered Country Two 2003 episodes of Star Trek: Enterprise "Judgment" (Star Trek: Enterprise) "Bounty" (Star Trek: Enterprise), A deleted scene from the 2009 feature film Star Trek