William Holt
William Holt is the name of:
- William Holt (politician) (1737–1791), Mayor of Williamsburg, Virginia
- William Holt (Jesuit) (1545–1599), Rector of English College
- William Holt (writer) (1897–1977), British writer, artist and traveler
- William Holt (cricketer) (born 1935), former New Zealand cricketer
- William H. Holt (1842-1919), American judge
- Will Holt (1929–2015), American songwriter
- Willy Holt (1921–2007), American film set designer
