Demon King

Demon King may refer to:


 * The Demon King (album), a 2014 release by Demonic Resurrection
 * Demon King (Doraemon), a character in the film Doraemon: Nobita's New Great Adventure into the Underworld
 * Demon King of Chaos, a character in Water Margin, one of the Four Great Classical Novels of Chinese literature
 * Demon King Chestra, a character in the fantasy adventure manga Violinist of Hameln
 * Demon King of Confusion, a character in the Chinese classical novel Journey to the West
 * Demon King Daimao, a Japanese light novel series
 * Great Demon King Koopa, the main antagonist of Nintendo's Mario franchise, known as Bowser in English media
 * Ganondorf, also known as the Demon King, the main antagonist of Nintendo’s Legend of Zelda franchise
 * Demon King Piccolo, a character in the Dragon Ball manga series
 * Ox-Demon-King, a character in the 16th century Chinese novel Journey to the West
 * Diary of a Demon King, a manhwa (Korean comic)
 * Rage of a Demon King, a 1997 novel by Raymond E. Feist
 * Oda Nobunaga (1534–1582), Japanese samurai and warlord