Philippe of Lorraine (1643 – 8 December 1702), known as the Chevalier de Lorraine, was a French nobleman and member of the House of Guise, cadet of the Ducal House of Lorraine. He was the renowned lover of Philippe of France, Duke of Orléans, Monsieur, only brother of Louis XIV. Even though he never married is is said to have had illegitimate children. 