William Churchill
William Churchill may refer to:
- William Churchill (burgess) British attorney who became merchant, burgess and planter in the Virginia colony, great-grandfather of 9th president of USA William Henry Harrison
- William Churchill (Dorchester MP), MP for Dorchester 1685-1689
- William Churchill (Ipswich MP), MP for Ipswich 1707-1714 and 1715-1717
- William Churchill (ethnologist), American Polynesian ethnologist and philologist
- William Churchill (athlete), American long-distance runner
- Bill Churchill, Australian rules footballer
- William Algernon Churchill, art historian and British diplomat
- William [Nosworthy Churchill], British-born journalist in Turkey
- William Sydney Churchill, British military officer