William Ball
William Ball is the name of the following people:
- William Ball (astronomer) (1627–1690), English astronomer
- William Ball (politician) (1830–1902), American politician
- William Ball (soccer player) (1876–1929), English soccer player
- William Ball (skier) (1908–1978), Canadian Alpine and Nordic skier
- William Ball (director) (1931–1991), American theater director
- William L. Ball ( William Lockhart Ball ; born 1948), American businessman and politician
- William Lee Ball (1781–1824), American politician