- Asharites1
- Asia1
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl1
- Astrology, Iranian1
- Astrometeorology1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Authority--Religious aspects--Islam1
- Avicenna, 980-1037. Ṭūr al-asrār wa-jabal fī al-ghār1
- Azerbaijani poetry1
- 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. Ziyādāt al-Fawāʼid1
- Aḥsāʼī, Yaḥyá ibn Ḥusayn, active 17th century-18th century1
- Babism1
- Babur, Emperor of Hindustan, 1483-15301
- Bacterial diseases1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)1
- Bahai Faith1
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah1
- Battle of Badr (Badr Ḥunayn, Saudi Arabia : 624)1
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1