| Walburga, British Abbess of Heidenheim |
| Waldebert, 3rd Abbot of Luxueil |
| Waldetrude (Vaudru), wife of Vincent Madelgarus, nun at Mons |
| Walter (Galtier) Cistercian, First Prior of Aulne |
| Walter, Abbot |
| Wandrille, First Abbot of Fontenelle |
| Wenceslaus (Vaclav), Duke of Bohemia and Martyr |
| Wendelin (Wendel), Saintly Shepherd |
| Werburgh of Chester, Royal Abbess |
| Wiborada of St. Gall, Swiss Anchoress and Martyr |
| Wigbert, Anglo-Saxon Missionary, Abbot of Herzfeld |
| Wilburgis, Anchorite, enclosed at St. Florian Church, Mystic |
| Wilibert, Bishop |
| Willehad, Bishop of Bremen |
| William “the Great” of Malavale, Confessor |
| William of Foggia, Hermit |
| William of Gellone (of Orange), 2nd Duke of Toulouse, Founder of Gellone Abbey |
| William of Perth, Martyr |
| William of Pontoise, Benedictine Hermit |
| William of Vercelli, Abbot of Monte Vergine |
| William Saultemouche, Jesuit Lay Brother, Martyred by Huguenots |
| William X, Duke of Aquitaine |
| William, Archbishop of York |
| William, Bishop |
| Willibald, British Bishop, Apostle of Bavaria |
| Willibrord, Missionary Bishop of Utrecht and Apostle to Luxemburg |
| Winebald (Vindoald), Abbot of St. Loup, Troyes |
| Winifred of Holywell, Welsh Vigin and Martyr (moss from her holy well) |
| Winoc, English abbot of Wormhoudt |
| Wiro (Maelmuire) Bishop, Missionary to Holland |
| Wivina (Vivina), Abbess |
| Wulflaicus, French Deacon and Stylite |
| Wulfram, Bishop of Sens (Fontenelle) |
| Wulfstan, Benedictine Bishop of Worcester |