Name
- Archetti, Giovanni Andrea, Cardinal, Archbishop of Chalcedon1
- Arezzo, Tommaso, Archbishop of Seleucia, Cardinal 18161
- Arisouze, Guilhaume, of Treignac1
- Arouet de Voltaire, François Marie1
- Arsenios, Metropolites of the Thebaid, fl 17141
- Ashton, Charles, Master of Jesus College, Cambridge1
- Asscheberg, Themo ab, Pastor of Meppel1
- Asso y del Rio, Ignacio Jordan, Spanish Naturalist1
- Atterbury, Francis, Bishop of Rochester, politician, and Jacobite conspirator, 1663-17321
- Aubert du Petit Thouars, Louis Marie, Botanist1
- Auchmoutie, Robert, Captain1
- Audiffret, Jérôme dé, Lieutenant-Général en l'Admirauté1
- Audley, John, Dr; Chancellor of York1
- Augustus Frederick, Duke of Sussex, 6th son of George III, 1773-18431
- Augustus, Jacobus, of Negropont1
- Auvergne, Giovanni Battista, Archbishop of Iconium1
- Auvet des Marestz d'Auvillars, François, Grand Prior of Aquitaine1
- Baillie, Robert, author; Church of Scotland minister, 1602-16621
- Bailly, Jean Sylvain, astronomer; Mayor of Paris, 1736-17931
- Baines, Thomas, correspondent of botanist John Covell, and of 3rd Viscount Conway, fl 1657-16791