- Baths, Turkish1
- Bayezid II, Sultan of the Turks, 1447 or 1448-15121
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286?1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286? Lubb al-albāb1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441
- Beards--Religious aspects--Islam1
- Begging--Religious aspects--Islam1
- Bhil (Indic people)1
- Bidāyat al-mubtadī (Marghīnānī, ʻAlī ibn Abī Bakr)1
- Birds of prey1
- Birgivî Mehmet Efendi, approximately 1522-1573. Risālat al-tawḥīd1
- Birgivî Mehmet Efendi, approximately 1522-1573. ʻAwāmil al-jadīdah1
- Birjandī, ʻAbd al-ʻAlī ibn Muḥammad ibn Ḥusayn, active 16th century. Bīst bāb dar taqvīm1
- Bosnia and Herzegovina--Sarajevo1
- Buddhism1
- Buddhist temples--Membership1
- Buhūtī, Manṣūr ibn Yūnus, d. 1641. ʻUmdah1
- Bulgaria--Sofia1
- Burial1
- Bāb al-Ḥādī ʻashar (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1