- Arbaʻah ṭurim (Jacob ben Asher)1
- Archery1
- Armenia1
- Art1
- Artillery1
- Ashkenazi, Ẓevi Hirsch ben Jacob, -17181
- Ashkenazim1
- Asia1
- Astrology, Iranian1
- Astronomy--Religious aspects--Islam1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Aurangzeb, Emperor of Hindustan, 1618-17071
- Aveiro, Gabriel de Lencastre, Duque de, 1667-17451
- Avodah (Yom Kippur liturgy)1
- Azar, Menaḥem ben Natan1
- Balkan Peninsula1
- Basmalah1
- Bayezid I, Sultan of the Turks, approximately 1360-14031
- Bedreddin, Şeyh, 1358?-1420. Jāmiʻ al-fuṣūlayn1
- Belarus--Brest1