- Bahaüddin Nakşibend, 1318-13891
- Bahnasī, ʻAbd al-Wahhāb ibn al-ḥasan, d. 1286 or 7. Naẓm Muthallath Quṭrub1
- Bahāristān (Jāmī)1
- Bail (Islamic law)1
- Bajāʼī, ʻAbd al-Raḥmān ibn Aḥmad, -1384 or 1385. Muqaddimah1
- Bakrī, Abū al-Ḥasan ibn Jalāl al-Dīn, -approximately 1543. Ḥizb1
- Balaibalan1
- Balkan Peninsula1
- Balāṭunusī, Muḥammad ibn ʻAbd Allāh, 1395 or 1396-1459. Mukhtaṣar Minhāj al-ʻābidīn1
- Bank deposits (Islamic law)1
- Baqī ibn Makhlad, 816 or 17-889 or 90. Musnad1
- Bardaʻī, Muḥammad ibn Muḥammad, -1520 or 1521. Ḥāshiyat al-Bardāʻī1
- Baths, Turkish1
- Battles1
- Bayezid I, Sultan of the Turks, approximately 1360-14031
- 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
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, d. 1286? Lubb al-albāb fī ʻilm al-iʻrāb1
- Bazzār, Khalaf ibn Hishām, 767 or 768-8441