- Aḥmad ibn Qāsim, 1813 or 1814-approximately 1856 or 1857. Wasīlat al-mubtadiʼīn li-ʻilm ghurrat al-shuhūr wa-al-sinīn1
- Aḥsāʼī, Aḥmad ibn Zayn al-Dīn, 1753-1826. Fawāʼid1
- Aḥsāʼī, Ibrāhīm ibn Ḥasan, -1639. Selections1
- Babism3
- Babur, Emperor of Hindustan, 1483-15301
- Bacterial diseases1
- Bacán, Hernando de1
- Badawī, Aḥmad, 1200?-12761
- Badr al-Rashīd, Muḥammad ibn Ismāʻīl, -1366. Alfāẓ al-kufr1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)4
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)12
- Bael (Tree)2
- Bagalāmukhī (Hindu deity)1
- Baglioni, Niccolò1
- Bahai Faith4
- Bahai Faith--Sacred books1
- Bahai poetry1
- Bahaüddin Nakşibend, 1318-13891
- Bahjah al-Wardīyah (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)2
- Bahjah al-marḍīyah (Suyūṭī)3