William Haines (disambiguation)
# William Haines (disambiguation)

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
