Charles, Count of Valois (12 March 1270 – 16 December 1325), was a member of the House of Capet and founder of the House of Valois, which ruled over France from 1328. He was the fourth son of King Philip III of France and Isabella of Aragon.
Charles ruled several principalities. He held in appanage the counties of Valois, Alençon (1285), and Perche. He became Count of Anjou and Maine through his first marriage to Margaret, Countess of Anjou. Through his second marriage to Catherine I, Latin Empress of Constantinople, he was titular Latin Emperor of Constantinople from 1301 to 1307, although he ruled from exile and only had authority over Crusader States in Greece.