Bartholomew. August 24. Apostle.
Basil the Great. January 1, Eastern Church; June 14, Western Church (328–380).
Bathilda. January 30 in France; January 26 in Roman Martyrology (died ca. 680).
Bayo or Bavon. October 1. Patron of Ghent (589–653).
Benedict. March 21. Founder of Benedictine Order (480–543).
Bernard of Clairvaux. August 20. Founder of Abbey of Clairvaux, one of the Fathers of the Church (1091–1153).
Bernard of Menthon. June 15. Founder of hospices in the Alps, “Great St. Bernard” and “Little St. Bernard” (923–1008?).
Blaise. February 3. Patron of Ragusa, and of those afflicted with throat diseases. Bishop of Sebaste, Cappadocia (died 316).
Boniface. June 5. Apostle of Germany (680–755).
Bridget or Bride. February 1. Patroness of Ireland (450–521).