Meaning and information about Warwick, What does Warwick mean? Warwick means 'King Henry IV, Part 2', 'Henry V' and 'King Henry the Sixth, Part I, II and III' Earl of Warwick, one of the King's party. 'King Richard III' Edward, Duke of Warwick, a young son of Clarence. 'King Richard III' Edward, Earl of Warwick. Find similar names like Warwick.