Guillaume de Montfort may refer to:
- Guillaume de Montfort of Hainaut, first lord of Montfort l'Amaury
- Guillaume de Montfort (bishop of Paris)
- Guillaume de Montfort (bishop of Saint-Malo)
See also
- William de Montfort, 13th-century English academic
This page was last edited on 27 April 2020, at 07:42