- Ambrose, Saint, Bishop of Milan, -3971
- Ambrosian chants2
- Ambrosian rite (Catholic Church)1
- Amedei, Bartolomeo1
- Amelius, Martyr1
- America19
- Amicus, Martyr1
- Amidah (Jewish prayer)5
- Amideo, Chele d'1
- Amputees1
- Amthilah al-mukhtalifah3
- Amulets17
- Amulets (Hinduism)28
- Amulets (Islam)6
- Amulets (Judaism)27
- Amānāt wa-al-iʻtiqādāt (Saʻadia ben Joseph)1
- Amīr Khusraw Dihlavī, approximately 1253-13251
- Amīr al-Kabīr, Muḥammad ibn Muḥammad, 1742-1817. Majmūʻ fī al-fiqh3
- An authorization to perform a ritual slaughter according to the Jewish law by Avraham Mosheh Leʼon of Carpentras to his son Daniʼel, written on 25 of Tamuz 17641
- Ana, Queen, consort of Philip II, King of Spain, 1549-15802