Guillaume V
- Guillaume V Arnaud de La Mothe
- Guillaume V, Grand Duke of Luxembourg
- House of Joyeuse
- List of bishops of Sion
- Lyre Abbey
- Priory of Le Plessis-Grimoult
- Roman Catholic Archdiocese of Embrun
- Roman Catholic Diocese of Bayonne, Lescar and Oloron
- Roman Catholic Diocese of Cahors
- Roman Catholic Diocese of Coutances
- Roman Catholic Diocese of Périgueux
- Roman Catholic Diocese of Uzès
- William V (disambiguation)
- William V, Count of Nevers
- William V, Duke of Aquitaine