The Sword in the Stone is a 1938 novel by British writer T. H. White. First published by Collins in the United Kingdom as a stand-alone work, it later became the first part of a tetralogy, The Once and Future King. A fantasy of the boyhood of King Arthur, it is a sui generis work which combines elements of legend, history, fantasy, and comedy. Walt Disney Productions adapted the story to an animated film, and the BBC adapted it to radio.

Terence Hanbury "Tim" White was an English writer. He is best known for his Arthurian novels, which were published together in 1958 as The Once and Future King. One of his most memorable is the first of the series, The Sword in the Stone, which was published as a stand-alone book in 1938.