Name
- Abbot, Charles, 2nd Baron Colchester1
- Addington, Henry, 1st Viscount Sidmouth, Prime Minister, 1757-18441
- Adolphus Frederic, King of Sweden, 1710-17601
- Alexander, Josias Du Pré, 2nd Earl of Caledon, politician, landlord and colonial administrator, 1777-18391
- Allott, Richard, Dean of Raphoe1
- Alvensleben, Philip Carl, Count, Hanoverian Minister in London1
- Amherst, Jeffrey, 1st Baron Amherst, army officer, 1717-17971
- Amherst, William Pitt, 1st Earl Amherst of Arracan, diplomatist and Governor-General of Bengal, 1773-18571
- Angoulême, Marie Thérèse Charlotte, Duchesse d'1
- Arbuthnot, John, of Add MS 351261
- Arbuthnot, Mary, née Urquhart, wife of Robert Arbuthnot of Haddo, c 1743-18181
- Arbuthnot, Robert, civil servant in Ceylon, 1760-18091
- Armstrong, John, MD; physician and author1
- Arnsteiner, Adam Isaac, Banker, of Vienna1
- Ashburnham, George, 3rd Earl of Ashburnham, 1760-18301
- Ashburnham, John, 2nd Earl of Ashburnham, 1724-18121
- Attems, Franz Ludwig, Count, Canon1
- Auersperg, Franziska, wife of Count Franz Karl von Daun, 1745-18181
- Aust, George, Under Secretary1
- Bagnall, J., correspondent of Sir Robert Murray Keith, fl 17781