- Batignano, Carlo Gasparie di1
- Batini, Andreas1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Battle of Pharsalus (Farsala, Greece : 48 B.C.)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, d. 1286? Lubb al-albāb1
- Baṭāʼiḥī, Manṣūr ibn Mūsá, -12931
- Beheading1
- Belgium--Liège1
- Bello family1
- Bembo, Lorenzo1
- Benedictine nuns1
- Benedictines1
- Benivieni, Sebastiano1
- Bernardini, Jacopo1
- Bernardo, Dianora di1
- Bernardo, Giovanni Lorenzo di1
- Bernini, Julius Petri Francisci1
- Betti, Giuseppe1
- Bettini, Giovanbattista1
- Bettini, Luigi1