- Aṣḥāb al-kahf1
- Babism1
- Bahai Faith1
- Bahaüddin Nakşibend, 1318-13891
- Bahjah al-marḍīyah (Suyūṭī)1
- 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
- Balances (Weighing instruments)1
- Balkan Peninsula1
- Ballads, Italian1
- Balāṭunusī, Muḥammad ibn ʻAbd Allāh, 1395 or 1396-1459. Mukhtaṣar Minhāj al-ʻābidīn1
- Bangladesh1
- Bank deposits (Islamic law)1
- Bankers1
- Banyan tree--Religious aspects--Hinduism1
- Baptism1