John Duke

John Duke may refer to:


 * John Woods Duke (1899–1984), composer
 * John Heath (later John Duke) (1717–1775), MP
 * Sir John Duke, 2nd Baronet (1632–1705), English politician
 * John Duke, of the Duke baronets
 * John Duke (cricketer) (1830–1890), English cricketer
 * Sir John Duke (police officer) (1926–1989), British police officer