- Aḥsāʼī, Yaḥyá ibn Ḥusayn, active 17th century-18th century1
- Aṣḥāb al-kahf1
- Badawī, Aḥmad, 1200?-12761
- Bahjah al-marḍīyah (Suyūṭī)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
- Baths, Turkish1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, -1286?1
- Baḥraq, Muḥammad ibn ʻUmar, 1465-1524. ʻUrwah al-wathīqah1
- Bears1
- Bedreddin, Şeyh, 1358?-1420. Jāmiʻ al-fuṣūlayn1
- Begging--Religious aspects--Islam1
- Bektashi1
- Benedict, Saint, Abbot of Monte Cassino1
- Beverages1
- Bhil (Indic people)1