William Hall
William Hall is the name of the following people:
- William Hall (botanist) (1743–1800), North American botanist
- William Hall (Governor) (1775-1856), American politician
- William Hall (missionary) (1778–1844), one of the first missionaries in New Zealand
- William Hall (actor) (1903–1986), American actor
- William Hall-Jones (1851-1936), New Zealand politician
- William Augustus Hall (1815–1888), American politician
- William Hammond Hall (1845–1934), American civil engineer
- William J. Hall (1926-2020), Professor of Civil Engineering at the University of Illinois at Urbana-Champaign
- William Reginald Hall (1870-1943), British admiral
