John Horrocks

John Horrocks may refer to:
 * John Horrocks (politician) (1768–1804), British cotton manufacturer and Member of Parliament
 * John Horrocks (fisherman) (1816–1881), Edinburgh-born founder of modern fly fishing in Europe
 * John Ainsworth Horrocks (1818–1846), South Australian explorer
 * John Horrocks (died 2001), a member of English band Poloroid