Planet of Exile is a 1966 science fiction novel by American writer Ursula K. Le Guin, part of her Hainish Cycle. It was first published as an Ace Double following the tête-bêche format, bundled with Mankind Under the Leash by Thomas M. Disch. In 2017, the rights for a movie were acquired by Los Angeles Media Fund.

Ursula Kroeber Le Guin was an American author best known for her works of speculative fiction, including science fiction works set in her Hainish universe, and the Earthsea fantasy series. Her work was first published in 1959, and her literary career spanned nearly sixty years, producing more than twenty novels and over a hundred short stories, in addition to poetry, literary criticism, translations, and children's books. Frequently described as an author of science fiction, Le Guin has also been called a "major voice in American Letters". Le Guin said she would prefer to be known as an "American novelist".