- Albertano, da Brescia, 13th cent.1
- Albertano, da Brescia, active 13th century.1
- Albertus, Magnus, Saint, 1193?-1280.3
- Albertus, de Padua, d. 1328.1
- Albon, William, -1476.1
- Albrecht, of Brandenburg, Archbishop and Elector of Mainz, Cardinal, 1490-1545.1
- Alderotti, Taddeo, 1223-1295.1
- Aldhelm, Saint, 640?-709.2
- Alessandro degli Angeli.1
- Alexander VI, Pope, 1431-1503.2
- Alexander, de Villa Dei.5
- Alexander, the Great, 356 B.C.-323 B.C.1
- Alexander, the Great, 356-323 B.C.7
- Alfonso II, King of Naples, 1448-1495.1
- Alfonso V, King of Aragon, 1396-1458.2
- Alfonso X, King of Castile and Leon, 1221-1284.1
- Allen, William, 1532-1594.1
- Amalarius, Archbishop of Lyon, approximately 775-approximately 850.1
- Amboise, Catherine d', 1481?-1550.1
- Ambrose, Saint, Bishop of Milan, -397.5