William Bullock
William Bullock may refer to:
- William Bullock (chamberlain), Scottish noble
- William Bullock (actor), English actor
- William Bullock (collector), English traveller, artist, naturalist and antiquarian
- William Bullock (cricketer), English cricketer and journalist
- William Bullock (inventor), American inventor
- William Henry Bullock, American Roman Catholic churchman
- William Stephen Bullock, Canadian Baptist minister, businessman, and politician
- William Thomas Bullock, English Anglican cleric and mission administrator