| Babylas (Babila), 12th Bishop of Antioch, Martyr |
| Bacchus, Soldier and Martyr, Companion of St. Sergius |
| Badulph (Badour), Abbot of Ainsalt |
| Balbina of Rome, Virgin and Martyr |
| Baldomerus, Monk from Lyon, Patron of Locksmiths |
| Baldus, Bishop of Tours |
| Barbara of Nicomedia, Virgin and Martyr |
| Barbara the New Martyr, Barbara Yakovleva, companion of Elizabeth the New Martyr |
| Bardo, Benedictine Bishop of Mainz |
| Barlaam of Antioch, Martyr |
| Barlaam, First Abbot of the Kiev Lavra |
| Barnabas, Disciple and Associate of St. Paul |
| Barsanulphius of Gaza, Palestinian hermit |
| Barsanuphius, Egyptian Abbot |
| Barses, Bishop of Edessa, Syria |
| Bartholomaeus degl’ Amidei, One of the Seven Holy Founders of the Servite Order |
| Bartholomew Pucci-Franceschi, Capuchin Priest |
| Bartholomew the Apostle (Nathaniel) |
| Bartolo Fanti of Mount Carmel. Confessor |
| Bartolomeo (Bartolo) Longo, Confessor |
| Barulus, Martyred in Antioch |
| Basil the Great, Bishop of Cappadocian Caesarea and Father of the Church |
| Basil, Bishop of Amasea, Martyred at Nicomedia on March 28, 322 |
| Basil, Bishop of Parium |
| Basil, Confessor, Father of Basil the Great |
| Basilia, Coptic Virgin, Martyred under Gallienus |
| Basilides, Martyr |
| Basiliscus, Bishop of Comana (Pontus), Martyr |
| Basilissa of Antioch, Virgin and Martyr |
| Basilissa of Rome, Martyr (buried St. Peter and St. Paul) |
| Basinus, Scandinavian, Martyred in Ghent |
| Basolus of Rheims, Monk and Confessor |
| Bassian, Bishop of Lodi |
| Bassus, first Bishop of Nice, Martyr |
| Bathilda, Queen of Neustria |
| Baudilius (Baudier) of Nimes, Martyr |
| Bavo (Allowin) of Ghent and Haarlem, Prince and Monk |
| Beata, Martyr |
| Beatrice d’Este I, nun |
| Beatrice d’Este II, Benedictine |
| Beatrice da Silva, Foundress of the Order of the Immaculate Conception of Mary |
| Beatrice of Nazareth, Cistercian Mystic |
| Beatrix d’Ornacieux, Carthusian Nun |
| Bede the Venerable, Monk and Father of English History |
| Bede the Younger, Benedictine Monk of Cavallo |
| Bega of Northumbria, Abbess |
| Begga, Widow of Pepin |
| Benedict |
| Benedict Biscop, Abbot, Founder of Wearmouth and Jarrow Monasteries |
| Benedict Crispus, Bishop of Milan |
| Benedict II, Pope |
| Benedict Joseph Labre, Confessor |
| Benedict of Benevento, Benedictine Priest, Martyr, one of the Five Holy Martyrs of Poland |
| Benedict of Herbauge |
| Benedict of Nursia, Abbot and Founder of the Benedictines |
| Benedict the Moor of S. Filadelfo (San Fradello), Franciscan |
| Benedicta, Martyr |
| Benen, Patrick’s Psalm-singer, second Bishop of Armagh |
| Benev ?, Bishop |
| Benezet of Avignon, Benedict the Bridge Builder |
| Benigna, Martyred in Gaul |
| Benignus of Dijon, Martyr |
| Benildis (Peter Romancon) French Christian Brother, Confessor |
| Benildis, Matron and Martyr of Cordoba |
| Benjamin Julian (Vicente Alonso Andres’), Spanish Christian Broher, Martyr |
| Benjamin, Martyr |
| Benno, Bishop of Meissen |
| Benvenute of Gubbio, Franciscan |
| Benvenuto Scotivoli, Bishop of Osimo |
| Berardo de Corbio, Franciscan Martyr |
| Bercharius, Abbot of Der, Martyr |
| Beregiso, Abbot of Andage |
| Berenice, Virgin and Martyr |
| Berisimus (Verissimus) Roman Boy Martyr |
| Berlinda (Bellande) of Meerbeke, Virgin |
| Bernadette Soubirous, Nun, Visionary of Lourdes |
| Bernadine of Siena, Franciscan Reforming Priest |
| Bernadino Realino, Jesuit Priest |
| Bernard of Clairvaux, Cistercian Abbot and Doctor of the Church |
| Bernard of Corleone, Capuchin Brother |
| Bernard of Menthon, Confessor |
| Bernard of Offida, Capuchin Lay Brother |
| Bernard of Rodez, Benedictine Monk |
| Bernard of Thiron (Abbeville), Benedictine Abbot |
| Bernard Ptolemei, Founder of the Olivetans |
| Bernardino of Feltre,Franciscan |
| Bernardo Calvo, Spanish Cistercian Bishop |
| Bernardo Maria Silvestrelli, Priest, “Second Founder” of the Passionists |
| Bernardo of Alcira (Ahmet Ibn Al Mansur), Cistercian Martyr |
| Berno, First Abbot of Cluny |
| Bernward, Bishop of Hildesheim, Architect |
| Bertha d’Alberti de Bardi, Villambrosan Benedictine nun |
| Bertha, Queen of Kent |
| Berthold, 1st Superior General of the Carmelites |
| Berthold, Abbot of Engelberg |
| Bertrand, Bishop of Comminges |
| Bertuinus, Bishop of Malonne |
| Bertulph, Abbot of Bobbio |
| Bessarion of Egypt, Hermit |
| Betanion (Bettanio) Bishop of Tomi, Syria |
| Bettelin, English Hermit, friend of St. Guthlac |
| Bibiana (Viviana) of Rome, Virgin and Martyr |
| Bicor, Persian Bishop, Martyred by King Shapur II of Persia |
| Bihildis, Abbess of Chelles |
| Bilius, Bishop of Dariorigo (Vannes), Brittany |
| Birgitta Morello of Jesus, Foundress, Ursuline Sisters of the Immaculate Conception |
| Birinus, Bishop, Apostle to Wessex |
| Blaise, Bishop of Sebaste and Martyr |
| Blanchard of Nesle-la-Reposte, Confessor |
| Blanche (Blanca) of Castile, Queen of France |
| Blandina of Lyon, Virgin and Martyr |
| Blane, Bishop of Dunbland, Scotland |
| Bogomil, Bishop of Gniezno, Poland |
| Bona of Pisa, Virgin |
| Bonajuncta Monetti, One of the Seven Holy Founders of the Servite Order |
| Bonaventure of Barcelona, Franciscan Priest |
| Bonaventure of Potenza, Franciscan |
| Bonaventure, Franciscan Cardinal and Doctor of the Church |
| Bonfilius Monaldi, One of the Seven Holy Founders of the Servite Order |
| Boniface IV, Pope |
| Boniface of Savoy, 46th Archbishop of Canterbury |
| Boniface, Archbishop of Mainz, Apostle of Germany, and Martyr |
| Boniface, Cistercian Bishop of Lausanne, Switzerland |
| Boniface, Martyr |
| Bonita of Brioude, Hermitess |
| Bonitus (Bonet), Bishop of Clermont |
| Bononius, Benedictine Abbot of Lucedio |
| Bonosa, Martyr |
| Bonosius, Camoldolese Abbot |
| Bonosus, Bishop of Trier |
| Bonosus, Martyr |
| Boris, Prince of Kiev, Martyr |
| Braulio M. Corres and his 68 companions, Brothers Hospitallers of St. John of God, Martyrs |
| Braulio, Bishop of Zaragozza |
| Brendan “the Navigator”, Abbot of Clonfert |
| Brendan, Abbot of Birr |
| Bretanion, Bishop of Tomi (Constanta), Romania |
| Brice (Britius) Second Bishop of Tours |
| Bridget (Birgitta) of Sweden, Widow and Foundress of the Bridgettines |
| Brigid (Bride) of Ireland, Abbess of Kildare |
| Brigid (Britta) Scottish Princess, martyred in Picardy with her sister Maura |
| Brinstan (Birstan), Bishop of Winchester |
| Bronisalva Odrowaz, Norbertine Nun, Cousin of Sts. Hyacinth and Ceslaus |
| Bruno, Bishop of Minden |
| Bruno, Priest and Founder of the Carthusians |
| Budoc, Bishop of Dol, in Brittany |
| Bugudnofara (Fara), Abbess of Faremoutiers |
| Burchard, 1st Bishop of Würzburg |
| Maria Bernarda (Verena) Butlet, foundress Franciscan Missionaries of Mary, Help of Sinners |
