William Haines may refer to: William Haines (1900-1973) American movie actor who later became a designer of furniture and interiors William Haines (artist) William Haines (Australian politician) (1810–1866), Australian politician William Haines (South Australian politician) (1831–1902), S.A. pioneer William T. Haines, former governor of Maine William Wister Haines, American novelist Willie Haines (1900–1974), Portsmouth and Southampton footballer