- Bail (Islamic law)1
- Bakrī al-Ṣiddīqī, Muḥammad ibn Abī al-Afrāḥ, -1676. Qaṣīdah1
- Balaibalan1
- Balkan Peninsula1
- Balāṭunusī, Muḥammad ibn ʻAbd Allāh, 1395 or 1396-1459. Mukhtaṣar Minhāj al-ʻābidīn1
- Basmalah15
- Bathhouses1
- Baths, Turkish1
- Battle of Badr (Badr Ḥunayn, Saudi Arabia : 624)2
- 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? Lubb al-albāb1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, d. 1286? Lubb al-albāb9
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, d. 1286? Lubb al-albāb fī ʻilm al-iʻrāb1
- Baḥraq, Muḥammad ibn ʻUmar, 1465-1524. ʻUrwah al-wathīqah1
- Baṭāʼiḥī, Manṣūr ibn Mūsá, -12931
- Baṭṭāl, Abū Muḥammad ʻAbd Allāh, -7401
- Bedreddin, Şeyh, 1358?-1420. Jāmiʻ al-fuṣūlayn3