- ✠ St. Bademus, Founder, Martyr
- ✠ Baptism of Our Lord
- ✠ Saint Barbara, Virgin and Martyr
- ✠ St. Barbatus, Bishop of Benevento
- ✠ Saint Barnabas, Apostle and Martyr
- ✠ St. Bartholomew, Apostle and Martyr
- ✠ St. Basil the Great, Bishop, Doctor of the Church
- ✠ Saint Bathildes, Queen of France
- ✠ St. Bede the Venerable, Father of the Church
- ✠ Beheading of St. John the Baptist
- ✠ St. Benedict, Father of Western Monasticism
- ✠ St. Benedict Joseph Labre, Mendicant, Pilgrim
- ✠ St. Benedict of Anian, Abbot
- ✠ Saint Benen, (or Benignus), Bishop and Confessor
- ✠ St. Benezet, Confessor
- ✠ St. Benjamin, Deacon, Martyr
- ✠ St. Bernadette Soubirous, Virgin
- ✠ Saint Bernard, Abbot of Clairvaux, Doctor of the Church
- ✠ St. Bernardine of Siena, Franciscan Missionary Preacher
- ✠ Saint Bertha, Widow, Abbess
- ✠ Saint Bertilla, Abbess
- ✠ Saint Bibiana, Virgin and Martyr
- ✠ Saint Blaise, Bishop and Martyr
- ✠ Precious Blood of Jesus
- ✠ St. Bonaventure, Cardinal-Bishop, Doctor of the Church
- ✠ Saint Boniface, Bishop, Martyr
- ✠ St. Brendan, Abbot of Clonfert
- ✠ St. Bridget of Sweden, Widow
- ✠ Saint Bridgid, Abbess and Patroness of Ireland
- ✠ Saint Bruno, Founder of the Chartreuse or Carthusian Order
