Margaret of Savoy (April 1439 – 9 March 1483), also known as Marguerite de Savoie or Margherita di Savoia, was the eldest surviving daughter of Louis I, Duke of Savoy.
She was the wife of Margrave John IV of Montferrat, and later the wife of Peter II of Luxembourg, Count of Saint-Pol, of Brienne, Marle, and Soissons.
Margaret's numerous descendants included Mary, Queen of Scots and King Henry IV of France.