title: William Castle (disambiguation)
text: # William Castle (disambiguation)
  
  William Castle (1914–1977) was an American film director, producer, and actor.
  
  William Castle may also refer to:
  
  * William Castle (shipbuilder) (c. 1615-1681) English shipbuilder for the Royal Navy
  * William Castle (tenor) (1836–1909), English tenor active in the United States
  * William B. Castle (1814–1872), American politician from Ohio
  * William Bosworth Castle (1897–1990), American physician and physiologist
  * William E. Castle (1867–1962), American geneticist
  * William Richards Castle (1849–1935), lawyer, politician and Attorney General of Hawaii
  * William Richards Castle Jr. (1878–1963), U.S. educator, diplomat and ambassador to Japan
  