William of Orange

William of Orange usually refers to either:

• William the Silent, William I, (1533–1584), Prince of Orange, founder of the House Orange-Nassau and the Netherlands as a state
• William III of England, William III of Orange-Nassau, William II of Scotland, (1650–1702)

William of Orange may also refer to:

Middle Ages

• Saint William of Gellone (755—c.812), courtier of Charlemagne who defeated the Saracens at Orange
• William, Bishop of Orange joined the First Crusade. After the death of Adhemar of Le Pu