W
- Waulsort Abbey (Abbaye Notre-Dame de Waulsort) at Waulsort, Hastière (Namur): Benedictine monks
- Wauthier-Braine Abbey (Abbaye de Wauthier-Braine) at Wauthier-Braine (Walloon Brabant): Cistercian nuns
- Wavreumont Abbey (Abbaye Saint Remacle de Wavreumont) at Wavreumont (Liège): Benedictine monks
- Westmalle Abbey (Abdij van Onze-Lieve-Vrouw van het Heilig Hart van Westmalle) at Malle (Antwerp): Trappist monks
- Westvleteren Abbey or St. Sixtus' Abbey, Westvleteren (Sint-Sixtus-Abdij) (extant) at Westvleteren (West Flanders): Trappist monks
Read more about this topic: List Of Christian Religious Houses In Belgium