Battle Royale is a novel written by Japanese author Koushun Takami. The book (ISBN 4-89392-958-5) was first published in Japan in April 1999, and later formed the basis for a feature film and its sequel. It has also been adapted as a manga series (released in 15 volumes, which were later adapted into English by Keith Giffen and published by TOKYOPOP), which itself has a sequel.

An English translation of the novel (ISBN 1-56931-778-X) was published in the United States by Viz in February 2003. The English language version is also available in the United Kingdom, published by Gollancz. A German translation exists, published by Heyne.