William Bull
William Bull is the name of the following people:
- William Bull (Politician, 1683) (1683–1755) British politician, Governor of the Province of South Carolina
- William Bull (Politician, 1710) (1710–1791) British politician, Governor of the Province of South Carolina
- William Bull (Lieutenant Governor) (before 1816 – after 1826), American politician (South Carolina)
- William Bull (botanist) (1828–1902), English botanist and plant collector
- William Bull, 1st Baronet (1863–1931), British politician
- William Bull (water diver) (1886–1970), British water diver
- William Emerson Bull (1909–1972), American Hispanist
- William Frederick Bull , Canadian diplomat