- Aṣḥāb al-kahf1
- Badawī, Aḥmad, 1200?-12761
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)6
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)8
- Bael (Tree)2
- Bagalāmukhī (Hindu deity)1
- Baglioni, Niccolò1
- Bahai Faith2
- Bahjah al-Wardīyah (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)2
- Bahjah al-marḍīyah (Suyūṭī)1
- Bahnasī, ʻAbd al-Wahhāb ibn al-Ḥasan, -1286 or 1287. Naẓm Muthallath Quṭrub3
- Bail (Islamic law)1
- Bajāʼī, ʻAbd al-Raḥmān ibn Aḥmad, -1384 or 1385. Muqaddimah1
- Bakers2
- Bakrī al-Ṣiddīqī, Muḥammad ibn Abī al-Afrāḥ, -1676. Qaṣīdah2
- Bakrī, Abū al-Ḥasan ibn Jalāl al-Dīn, -approximately 1543. Ḥizb1
- Balaibalan1
- Balances (Weighing instruments)1
- Balarāma (Hindu deity)2
- Baldini, Antonio1