William Berkeley
William Berkeley may refer to:
- William de Berkeley, 1st Marquess of Berkeley, English nobleman
- William Berkeley, MP for Hereford
- William Berkeley , colonial governor of Virginia
- William Berkeley , English naval officer
- William Berkeley, 4th Baron Berkeley of Stratton, English politician and judge
- William Berkeley, 1st Earl FitzHardinge, British landowner and politician
- W. R. Berkley, founder and chairman of W. R. Berkley Corporation