Walter III of Châtillon

Walter III of Châtillon (1166 - 1219), also known as Gaucher III of Châtillon, was a French nobleman. He was a son of Guy II of Châtillon and Adèle of Dreux.

In 1196 he married Elisabeth of Saint-Pol, daughter of Hugo IV, Count of Saint-Pol and in 1205, he succeeded his father-in-law as count of Saint-Pol.

Walter and Elisabeth had:

• Guy, lord of Chatillon (-1226)
• Hugo V (-1248)
• Elisabeth, married Raoul II, Lord of Coucy (-1250)
• Eustachia, in 1215 married Daniel of Bethune, and later married to Robrecht II of Wavrin, marshal of the County of Flanders
• Beatrix, married Aubert of Hangest, lord of Senlis