- Basmalah1
- Battle of Covadonga (Covadonga, Spain : 718)1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286? Lubb al-albāb1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441
- Benavides family1
- Benefices, Ecclesiastical1
- Beʼur ʻal ha-Torah (Baḥya ben Asher ben Ḥlava)1
- Bhil (Indic people)1
- Bible. Judith1
- Bible. Lamentations1
- Bible. Leviticus1
- Bible. Numbers1
- Bible. Psalms1
- Bidāyat al-mubtadī (Marghīnānī, ʻAlī ibn Abī Bakr)1
- Birds of prey1
- Birjandī, ʻAbd al-ʻAlī ibn Muḥammad ibn Ḥusayn, active 16th century. Bīst bāb dar taqvīm1
- Blessing and cursing1
- Boards1
- Bombs1