William Berkeley may refer to: William de Berkeley, 1st Marquess of Berkeley (1426–1492), English nobleman William Berkeley (MP died 1552), MP for Hereford William Berkeley (governor) (1605–1677), colonial governor of Virginia William Berkeley (Royal Navy officer) (1639–1666), English naval officer William Berkeley, 4th Baron Berkeley of Stratton (died 1741), English politician and judge William Berkeley, 1st Earl FitzHardinge (1786–1857), British landowner and politician W. R. Berkley (William Robert Berkley, born 1946), founder and chairman of W. R. Berkley Corporation See also William Berkeley Lewis (1784–1866), American civil servant William Barclay (disambiguation)