Turistas (/turiːstɔːs/; English: Tourists, released in the United Kingdom and Ireland as Paradise Lost) is a 2006 American horror film produced and directed by John Stockwell and starring Josh Duhamel, Melissa George, Olivia Wilde, Desmond Askew, Max Brown, and Beau Garrett. Its plot focuses on a group of international backpackers in Brazil who find themselves in the clutches of an underground organ harvesting ring.

A group of young backpackers' vacation turns sour when a bus accident leaves them marooned in a remote Brazilian rural area that holds an ominous secret.