William Talvas
William Talvas may refer to three Franco-Norman magnates:
- William I Talvas, seigneur of Alençon
- William [III of Ponthieu], aka William II Talvas, son of Robert II of Bellême and Agnes of Ponthieu
- William [IV of Ponthieu] , William III Talvas, Count of Ponthieu and William IV of the house of Belleme/Montgomery