A Wizard of Earthsea is a fantasy novel written by American author Ursula K. Le Guin and first published by the small press Parnassus in 1968. It is regarded as a classic of children's literature and of fantasy, within which it is widely influential. The story is set in the fictional archipelago of Earthsea and centers on a young mage named Ged, born in a village on the island of Gont. He displays great power while still a boy and joins a school of wizardry, where his prickly nature drives him into conflict with a fellow student. During a magical duel, Ged's spell goes awry and releases a shadow creature that attacks him. The novel follows Ged's journey as he seeks to be free of the creature.

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".