William Holt
William Holt may refer to:
Politicians
- William Holt (fl.1397), MP for Launceston
- William Holt (died 1436), MP for Warwickshire
- William Holt (mayor), mayor of Williamsburg, Virginia
- William Holte or Holt, MP for Clitheroe and Preston
Others
- William Holt (Jesuit), rector of English College
- William Holt (writer), English writer, artist and traveller
- Lt. William Holt, the main character in Medal of Honor: European Assault
- William Holt (cricketer), former New Zealand cricketer
- William H. Holt, American judge
- Will Holt, writer and lyricist
- Willy Holt, American production designer
- William Mack Holt, American Navy sailor and naval aviator