John Wild may refer to: Jack Wild (1952–2006), English actor John Benton Wild (1806–1857), Australian politician John Caspar Wild (1804–1846), American painter John Daniel Wild (1902–1972), American philosopher John J. Wild (1914–2009), developer of ultrasound in cancer diagnosis Paul Wild (Australian scientist) (John Paul Wild, born 1923), Australian radio astronomer Frank Wild (John Wild, 1873–1939), Antarctic explorer Jonathan Wild (1682–1725), London criminal John Wild (priest) (1904–1992), English dean and college head John Wild (runner) (born 1953), English cross country and fell runner John Wild (cricketer) (born 1935), English cricketer John James Wild (1824–1900), Swiss linguist, oceanographer and natural history illustrator and lithographer John Wild (judge), judge at the Court of Appeal of New Zealand (2011–2017)