William Watt may refer to:
- William Watt (athlete) (1886âÂÂ1957), Irish Olympic athlete
- William Watt (Australian politician) (1871âÂÂ1946), Premier of Victoria and Speaker of the House of Representatives
- William Watt (journalist), journalist working for the Blackpool Gazette
- William Watt (miner) (1828âÂÂ1878), California Gold Rush mining executive and California politician
- William Watt (missionary) (1843âÂÂ1926), Scottish missionary to the New Hebrides
- William Watt (rugby union), Welsh international rugby union player
- William Hogg Watt (1818âÂÂ1893), member of parliament in the Manawatu region of New Zealand
- W. Montgomery Watt (1909âÂÂ2006), Scottish historian and professor of Arabic and Islamic Studies
- William Redfern Watt (1813âÂÂ1894), New South Wales politician
- Willie Watt (footballer, born 1861), Scottish footballer
- Willie Watt (footballer, born 1946), Scottish footballer
- Willie Watt (golfer) (1889âÂÂ1954), Scottish golfer
- Willie Watt (Batman Beyond), a character from the animated series Batman Beyond
- Blackie Watt, American racing driver
See also