Welcome to the Everything Saints Project. You can go back to List of Saints, or see all of them as Saints (all). Sources include google.com, Catholic teachings, and various other sources. It was divided by letter for easier searching because the original list is fairly cumbersome to load and look through manually. Enjoy, and /msg suggestions/additions to v3rgez.

Blessed William Way
Saint Walburga
Saint Wenceslaus
Saint Wendelin of Trier
Saint Werburga of Chester
Saint Wigbert
Saint Wilfrid of York
Saint Wilgeforte, see also St. Wilgeforte
Saint Willehad of Bremen
Saint William Fitzherbert
Saint William of Eskilsöe
Saint William of Gellone
Saint William of Maleval
Saint William of Rochester
Saint Willibald
Saint Willibrord
Saint Willigis
Saint Winebald of Heidenheim
Saint Winifred
Saint Winnoc
Saint Winwallus
Saint Wolfgang
Saint Wulfram
Saint Wulfstan

Here is the only Russian Orthodox saint (that I've found) who starts with a "W," with his feastday:

• Wistan, King of Mercia, June 1

Source: http://www.gnisios.narod.ru/lives.html