 Saint Bacchus |
 Saint Balbina da Roma |
 Blessed Balbino Villarroel Villarroel, O.E.S.A. |
| Blessed Baldassarre Ravaschieri |
 Saint Baldéric de Montfauçon, O.S.B. |
 Blessed Baldji oğlu Ohannès (Armenian Rite) |
| Saint Baldomer Gulmier (français)Religious. Subdeacon. Monk of Saint-Just. |
| Blessed Baldomero Márquez García-Maribello Born:1860.02.27 (Hinojosa del Duque, Córdoba, Spain)Ordained Priest:1893.12.23Died:1936.07.27 🩸 (Hinojosa del Duque, Córdoba, Spain † 76)Beatified:2021.10.16 (Córdoba, Córdoba, Spain)Priest of Córdoba. Martyr. |
| Saint Balduino da Rieti, O. Cist. |
| Blessed Balsamo |
 Blessed Baltasar de Torres Arias, S.J. バルタザール･デ･トルレス (日本語) |
| Blessed Baltasar Del Charco Horques, O.H. |
| Blessed Baltasar Torrero Béjar Born:1865 (Villafranca, Córdoba, Spain)Died:1936.08.02 🩸 (Villafranca, Córdoba, Spain † 70)Beatified:2021.10.16 (Córdoba, Córdoba, Spain)Layperson of Córdoba. Martyr. |
| Blessed Balthasar Kagayama Hanzaemon バルタサル 加賀山 半左衛門 (日本語)Layperson of Fukuoka. Married. Martyr. |
| Blessed Balthasar Uchibori バルタサル 内堀 (日本語) |
 Saint Bantus |
 Saint Baptista Luo Tingyin Ioannes 羅廷蔭．若翰 (正體中文) |
| Saint Baptus of Magnesia |
| Saint Baralus of Antioch |
 Saint Barbara Layperson. One of the Fourteen Holy Helpers. Martyr. |
 Saint Barbara Ch’oe Yŏng-i 최영이 바르바라 (한국어)崔榮伊 (正體中文)Layperson. Married. Martyr. |
| Saint Barbara Cho Chŭng-i 조증이 바르바라 (한국어)趙曾伊 (正體中文)Layperson. Married. Martyr. |
| Blessed Barbara Choe Jo-i 최조이 바르바라 (한국어)崔召史 (正體中文) |
| Saint Barbara Cui Lianshi 崔連氏．巴芮 (正體中文) |
| Saint Barbara Han A-gi 한아기 바르바라 (한국어)韓阿只 (正體中文)Layperson. Married. Martyr. |
| Blessed Barbara Jeong Sun-mae 정순매 바르바라 (한국어)鄭順每 (正體中文) |
| Saint Barbara Kim 김 바르바라 (한국어)金巴巴拉 (正體中文)Layperson. Married. Martyr. |
| Saint Barbara Ko Sun-i 고순이 바르바라 (한국어)高順伊 (正體中文)Layperson. Married. Martyr. |
| Blessed Barbara Ku Seong-yeol 구성열 바르바라 (한국어)具性悅 (正體中文) |
| Saint Barbara Kwŏn Hŭi 권희 바르바라 (한국어)權喜 (正體中文) |
| Blessed Barbara Sim A-gi 심아기 바르바라 (한국어)沈阿只 (正體中文) |
| Blessed Barbara Sim Jo-i 심조이 바르바라 (한국어)沈召史 (正體中文) |
 Blessed Barbara Ulma |
| Saint Barbara Yi 이 바르바라 (한국어)李巴巴拉 (正體中文) |
| Saint Barbara Yi Chŏng-hŭi 이정희 바르바라 (한국어)李貞喜 (正體中文)Layperson. Married. Martyr. |
| Saint Barbaziano di Ravenna |
| Saint Barbea |
| Saint Barlaam of Caesarea |
 Saint Barnabas |
| Blessed Barnabas Jeong Gwang-su 정광수 바르나바 (한국어)鄭光受 (正體中文)Layperson. Married. Martyr. |
| Blessed Barnabas Kim I-u 김이우 바르나바 (한국어)金履禹 (正體中文) |
| Blessed Barnabasz, O.P. |
| Blessed Barnabasz, O.P. |
| Saint Barnard de Vienne Metropolitan Archbishop of Vienne (France) (810? – 841.01.22)Archbishop. |
| Saint Baronzio |
 Saint Barsabias |
 Saint Barsanofio |
| Blessed Barthélemy Jarrige de la Morelie de Biars Born:1753.03.18 (Moutier, Haute-Vienne, France)Died:1794.07.13 🩸 (ship at Deux-Associés, Rochefort, France † 41)Beatified:1995.10.01Feast:07.13Priest of Limoges. Martyr. |
| Saint Bartholomaeus Chŏng Mun-ho 정문호 바르톨로메오 (한국어)鄭基植 (正體中文) |
| Blessed Bartholomaeus Kawano Shichiemon バルトロメ川野七右衛門 (日本語)Layperson of Nagasaki. Member of Confraternity of the Rosary. Martyr. |
| Blessed Bartholomaeus Mohyōe バルトロメ茂兵衛 (日本語)Layperson of Nagasaki. Member of Confraternity of the Rosary. Martyr. |
| Blessed Bartholomaeus Seki バルトロメ関 (日本語)Layperson of Nagasaki. Member of Confraternity of the Rosary. Martyr. |
| Blessed Bartholomeus Baba Han’Emon バルトロマイ 馬場 半右衛門 (日本語) |
 Saint Bartholomew Apostle of Jesus Christ. Martyr. |
| Blessed Bartłomiej, O.P. |
| Blessed Bartłomiej Osypiuk (Ukrainian Rite) |
| Blessed Bartolo da San Gimignano Buonpedoni, T.O.R. |
| Blessed Bartolo Longo Layperson. Member of the Third Order of St. Dominic. Lawyer. Former satanic priest. |
| Blessed Bartolomé Blanco Márquez |
| Blessed Bartolomé Cantador González Born:1892.06.10 (Belalcázar, Córdoba, Spain)Died:1936.08.15 🩸 (Belalcázar, Córdoba, Spain † 44)Beatified:2021.10.16 (Córdoba, Córdoba, Spain)Layperson of Córdoba. Married. Martyr. |
| Blessed Bartolomé Caparrós García Born:1872.02.27 (Vera, Almería, Spain)Ordained Priest:1895.12Died:1936.10.12 🩸 (Almería, Spain † 64)Beatified:2017.03.25 (Almería, Spain)Priest of Almería. Martyr. |
| Blessed Bartolomé Carrillo Fernández Born:1897.09.08 (Pozoblanco, Córdoba, Spain)Ordained Priest:1921.05.21Died:1936.07.23 🩸 (Baena, Córdoba, Spain † 38)Beatified:2021.10.16 (Córdoba, Córdoba, Spain)Priest of Córdoba. Martyr. |
| Blessed Bartolomé de la Pasión, O.C.D. Josep Olivé Vivó (secular name) |
| Blessed Bartolomé Díaz Laurel, O.F.M. Obs. バルトロメ･ラウレル (日本語) |
| Blessed Bartolomé Fanti María, O. Carm. Nicomedes Andrés Vecilla (secular name) |
| Blessed Bartolomé Gelabert Pericás, C.M. |
| Blessed Bartolomé Gutiérrez Rodríguez, O.E.S.A. バルトロメ・グティエレス (日本語) |
| Blessed Bartolomé Rodríguez Soria |
| Saint Bartolomea Capitanio, S.C.C.G. |
| Blessed Bartolomeo Aiutamicristo da Pisa, E.C.M.C. |
| Blessed Bartolomeo Cerveri, O.P. |
| Saint Bartolomeo, O.S.M. Amadio da Firenze (secular name) |
| Saint Bartolomeo da Simeri |
 Blessed Bartolomeo Dalmasoni, O.F.M. Obs. |
| Blessed Bartolomeo di Breganze, O.P. |
| Saint Bartolomeo di Grottaferrata |
| Blessed Bartolomeo Donati, O.S.M. |
| Blessed Bartolomeo Fanti, O. Carm. |
| Blessed Bartolomeo Maria Dal Monte Priest of Bologna. Founder of Pious Work of Missions. |
| Blessed Bartolomeo Pucci-Franceschi, O.F.M. |
 Saint Bartolomeu Fernandes dos Mártires, O.P. |
| Saint Basil |
| Saint Basil of Ancyra |
| Saint Basil of Antioch |
| Saint Basil of Caesarea |
| Saint Basil of Decapolis |
| Saint Basil the Elder |
| Blessed Basile-Antoine Marie Moreau, C.S.C. |
| Saint Basileo |
| Saint Basilia di Roma Layperson. Buried on Via Salaria Antica. Martyr. |
| Saint Basilide |
| Saint Basilide |
 Saint Basilides of Alexandria Layperson. Roman soldier. Martyr. |
 Saint Basilides of Crete |
| Saint Basiliscus of Amasea |
| Saint Basilissa |
| Saint Basilissa |
| Saint Basilissa of Nicomedia |
| Saint Basilla of Alexandria |
 Saint Basilla of Sirmium |
| Saint Bassa |
| Saint Bassa of Edessa |
| Saint Bassian of Alexandria |
| Saint Basso di Sabina Died:304 🩸 (Roma, Italy)Layperson. Martyr. |
 Saint Bassus of Carthage Layperson. Companion of Saint Mappalicus of Carthage, Saint Fortunius of Carthage, Saint Paul of Carthage, Saint Fortunata of Carthage, Saint Victorinus of Carthage, Saint Victor of Carthage, Saint Eremius of Carthage, Saint Credula of Carthage, Saint Ereda of Carthage, Saint Donatus of Carthage, Saint Fermus of Carthage, Saint Venustus of Carthage, Saint Frutus of Carthage, Saint Julia of Carthage, Saint Martial of Carthage and Saint Aristo of Carthage. Martyr. |
| Saint Bathilde Born:626Died:680.01.30 (Chelles, France † 53)Canonised:880Feast:01.30Queen of Burgundy and Neustria. |
 Saint Batho von Freising Priest. Missionary to Carinthia. |
| Blessed Battista da Firenze, O.F.M. |
| Saint Battista, O.S.C. Camilla da Varano (secular name) |
| Blessed Battista Spagnoli, O. Carm. |
| Saint Baudile de Nîmes |
| Blessed Baudillo, F.M.S. Pedro Ciordia Hernández (secular name) |
| Saint Baudolino di Foro |
 Saint Bavo van Gent |
| Blessed Bazyli, O.P. |