- Bank deposits (Islamic law)1
- Banyan tree--Religious aspects--Hinduism1
- Baptism1
- Baptism of Jesus Christ1
- Barbara, Saint1
- Barducci, Filippo1
- Baroncelli, Francesco1
- Bateman family1
- Baths, Turkish1
- Batignano, Carlo Gasparie di1
- Battle Abbey1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286?1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441
- Baḥraq, Muḥammad ibn ʻUmar, 1465-1524. ʻUrwah al-wathīqah1
- Bebel, Heinrich, 1472-15181
- Begging--Religious aspects--Islam1
- Beghards1
- Beguines1
- Belarus--Brest1