Hilduin III, Count of Montdidier

Hilduin III (died after 1032), Count of Montdidier, Seigneur de Ramerupt, son of Hilduin II, Count of Arcis-sur-Aube. He was a member of the House of Montdidier. Virtually nothing is known about his life.

Hilduin married a wife of unknown name, although, when widowed, she apparently married Renaud I, Count of Soissons as her second husband. Hilduin and his wife had three children:

Upon his death, Hilduin III was succeeded by his son Hilduin IV as Count of Montdidier.