William Ball
William Ball may refer to:
- William Ball (MP), MP for Nottingham
- William Ball (settler), English colonist
- William Ball (astronomer), English astronomer
- William Lee Ball, Virginia congressman
- William Ball (Shropshire Giant), 40 stone iron puddler
- William Ball (Michigan politician), Lieutenant Governor of Michigan, USA, 1889
- William Ball (footballer), English footballer
- William Macmahon Ball, Australian academic and diplomat
- William Ball (skier), Canadian skier and Olympic competitor
- William Bentley Ball, American constitutional lawyer
- William Ball (director), American stage director
- William L. Ball, American, former US Navy Secretary