Enciclopedia Católica
- Walafrid
- Walter de San Victor
- Walter de San Víctor
- Wamala, Emmanuel (1926-
- Wetter, Friedrich (1928-
- Wibaldo
- Wilhelm Heinrich Waagen
- Wilhelm Tempel
- Wilhelm V, Duke de Bavaria
- Willebrands, Johannes (1909-
- William Allison
- William Bede Dalley
- William Bernard Ullathorne
- William Byrd
- William Cassidy
- William Darrell
- Wílliam de Champeaux
- William Gahan
- William Habington
- William Harrison
- William Hart Bl.
- William Henry Anderdon
- William J Hardee
- William Kreiten
- William Lacy Beato
- William Maxwell
- William Seth Agar
- William Southerne, Venerable
- Williams, Thomas Stafford (1930-
- Willibald Pirkheimer
- Winning,Thomas Joseph (1925-
- Wipo
- Wolfgang Amadeus Mozart
- Wouters G. Henry
- Wu Cheng-Chung, John Baptist (1925-