- Bahnasī, ʻAbd al-Wahhāb ibn al-Ḥasan, -1286 or 1287. Naẓm Muthallath Quṭrub5
- Bahnasī, ʻAbd al-Wahhāb ibn al-ḥasan, d. 1286 or 7. Naẓm Muthallath Quṭrub1
- Bahāristān (Jāmī)1
- Bail (Islamic law)1
- Bakrī al-Ṣiddīqī, Muḥammad ibn Abī al-Afrāḥ, -1676. Qaṣīdah1
- 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
- Basmalah24
- Bathhouses2
- Baths, Turkish1
- Battle of Badr (Badr Ḥunayn, Saudi Arabia : 624)3
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)4
- 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