Jeanne of Valois (c. 1294 Longpont, Aisne, France – 7 March 1342, Fontenelle, Yonne, France) She was the daughter of Prince Charles of Valois and Marguerite of Anjou and Maine (1274–1299) and the sister of king Philip VI of France.

She married William III, Count of Holland and Hainaut in 1305 and had the following children:
• William IV of Hainaut (1307-1345)
• John (died 1316)
• Margaret II, Countess of Hainaut (1311-1356), married Louis IV Wittelsbach, Holy Roman Emperor
• Philippa of Hainault (1311-1369), married king Edward III of England
• Agnes (died 1327)
• Joanna of Hainaut (1315-1374), married William V, Duke of Jülich
• Isabelle of Hainaut (1323-1361), married Robert of Namur
• Louis (1325-1328)