 Saint Waccar |
 Saint Walabonso de Niebla |
 Blessed Walenty, O.P. |
 Saint Walhère d’Onhaye |
 Saint Walpurga |
 Saint Walstan |
| Saint Walter |
| Blessed Walter Pierson, O. Cart. |
| Saint Waltrude de Mons |
 Saint Wandregesilus van Fontenelle Wandrille (français) |
 Blessed Warmondo d’Ivrea |
| Saint Wasnon de Condé |
| Blessed Wenceslao María Claris Vilarregut, C.M.F. |
 Blessed Wenceslao Pedernera |
 Saint Wenceslaus Layperson. Duke of Bohemia. Martyr. |
| Saint Wendelin von Trier |
| Saint Werburgh, O.S.B. |
 Saint Wiborada von Sankt Gallen |
| Saint Wigbert, O.S.B. |
| Saint Wigstan |
| Blessed Wiktoria Ulma |
| Saint Wilfrido della Gherardesca Abbot. Founder and abbot of San Pietro in Palazzuolo. |
| Saint Willehad van Deem, O.F.M. Obs. |
| Blessed William Andleby |
| Blessed William Browne |
| Blessed William Carter |
 Blessed William Davies |
| Blessed William Dean |
| Blessed William Exmew, O. Cart. |
| Blessed William Eynon, O.S.B. |
| Blessed William Filby |
| Saint William FitzHerbert Metropolitan Archbishop of York (England) (1141.01 – 1147)Metropolitan Archbishop of York (England) (1153.12.20 – 1154.06.08)Archbishop. |
| Blessed William Freeman |
| Blessed William Gibson |
| Blessed William Greenwood, O. Cart. |
| Blessed William Gunter |
| Blessed William Harcourt (Waring), S.J. |
| Blessed William Harrington |
| Blessed William Hart |
| Blessed William Hartley |
| Blessed William Horne, O. Cart. |
| Blessed William Howard Layperson of England. Married. Martyr. |
| Blessed William Ireland, S.J. |
| Blessed William Knight |
| Blessed William Lacey |
| Blessed William Lampley |
| Blessed William Marsden |
 Saint William of Æbelholt |
| Saint William of Æbelholt Guillaume de ParisAbbot. Abbot of Saint-Germain-des-Prés of Paris. |
| Saint William of Maleval Guglielmo di Malavalle |
| Saint William of Perth |
| Blessed William Patenson |
| Blessed William Pike |
| Blessed William Richardson (Anderson) |
| Blessed William Scott, O.S.B. |
| Blessed William Southerne Born:1569? (Ketton, near Darlington, County Durham, England)Died:1618.04.30 🩸 (Newcastle, Tyne and Wear, England † 48)Beatified:1987.11.22Feast:04.30Priest of London. Martyr. |
| Blessed William Spenser |
| Blessed William Thomson |
 Blessed William Tirry, O.E.S.A. Liam Tuiridh (Gaeilge) |
| Blessed William Ward (Webster) |
| Blessed William Way |
| Saint Willibald |
| Blessed Wincenty Kadłubek Born:1150? (Kargów k. Stopnicy, Poland)Consecrated Bishop:1208.05Died:1223.03.08 (Jedrzejów, Poland † 72)Beatified:1764.02.18 (equipollently)Feast:03.08Bishop of Kraków (Poland) (1208.03.28 – 1218)Bishop. |
| Blessed Wincenty Lewoniuk (Ukrainian Rite) |
| Blessed Wincenty Matuszewski Born:1869.03.03 (Wola Chruścińska, Kutno, Łanięta, Poland)Ordained Priest:1895.02.17Died:1940.05.24 🩸 (Witowo-Kolonia, Bytoń, Radziejów, Poland † 71)Beatified:1999.06.13 (Warszawa, Poland)Feast:05.23Priest of Włocławek. Martyr. |
| Saint Winebald de Heidenheim Abbot. Abbot of Saint-Loup. |
| Saint Winibald, O.S.B. Wunibald (Deutsch) |
| Saint Winifride |
| Saint Winoc de Bergues, O.S.B. |
| Saint Wintrung |
| Saint Wiro van Roermond Priest. Missionary. Bishop?. |
| Saint Wistremundo de Córdoba |
| Saint Witesindo de Córdoba |
| Saint Withburga of Dereham |
| Saint Wivine de Grand-Bigard, O.S.B. |
| Blessed Władysław Błądziński, C.S.M.A. |
 Blessed Władysław Bukowiński |
| Blessed Władysław Demski Born:1884.08.05 (Straszewo, Kwidzyn, Ryjewo, Poland)Ordained Priest:1910.02.04Died:1940.05.28 🩸 (KZ Sachsenhausen, Oranienburg, Germany † 55)Beatified:1999.06.13 (Warszawa, Poland)Feast:05.28Priest of Gniezno. Martyr. |
| Blessed Władysław Findysz |
| Blessed Władysław Goral Born:1898.05.01 (Stoczek, Lubelskie, Poland)Ordained Priest:1920.12.18Consecrated Bishop:1938.10.09Died:1945.04 🩸 (KZ Sachsenhausen, Oranienburg, Germany † 46)Beatified:1999.06.13 (Warszawa, Poland)Feast:04.26Titular Bishop of Meloë in Isauria (1938.08.10 – 1945.04)Auxiliary Bishop of Lublin (Poland) (1938.08.10 – 1945.04)Bishop. Martyr. |
 Blessed Władysław Maćkowiak |
| Blessed Władysław Mączkowski |
| Blessed Władysław Miegoń Born:1892.09.30 (Samborzec, Świętokrzyskie, Poland)Ordained Priest:1915.02.02Died:1942.10.15 🩸 (KZ Dachau, Oberbayern, Germany † 50)Beatified:1999.06.13 (Warszawa, Poland)Feast:09.15Priest of Poland (Poland) (1915.02.02 – 1942.10.15)Priest. Martyr. |
| Blessed Władysław Ulma |
| Blessed Władysław z Gielniowa, O.F.M. |
 Blessed Włodzimierz Laskowski Born:1886.01.30 (Rogoźno, Wielkopolskie, Poland)Ordained Priest:1914.03.01Died:1940.08.08 🩸 (KZ Gusen, Langenstein, Austria † 54)Beatified:1999.06.13 (Warszawa, Poland)Feast:08.08Priest of Poznań. Martyr. |
| Blessed Wojciech Nierychlewski, C.S.M.A. |
| Saint Wulfstan of Worcester |
| Saint Wulmar Vulmaro (Italiano) |