Name
- A Campbell and Co, merchants, Rotterdam1
- A'Court, William, 1st Baron Heytesbury, diplomat and politician, 1779-18603
- Abercromby, Ralph, 2nd Baron Dunfermline, diplomat, 1803-18688
- Adair, Alexander, army agent1
- Adair, Robert, Knight, politician and diplomat, 1763-18556
- Adams, William, Knight, afterwards Rawson; oculist, 1783-18272
- Addington, Henry Unwin, civil servant, 1790-18703
- Addington, Henry, 1st Viscount Sidmouth, Prime Minister, 1757-18441
- Admiralty, 1708-19642
- Army of England4
- Aston, Arthur Ingram, Knight, diplomatist, 1798-185911
- Aubin, Thomas, Chargé d'Affaires at Rome1
- Backhouse, John, civil servant, 1784-18451
- Bagot, Charles, Knight, diplomat, governor-in-chief of British North America, 1781-18433
- Baily, Richard, clerk in the War Office, fl 1816-18301
- Baker, George, army officer and Greek Boundary Commissioner, fl 1835-18452
- Bancroft, George, American historian and Democrat politician, 1800-18911
- Bankhead, Charles, the younger; diplomat, d 18701
- Barnard, Charles Townshend, diplomat, fl 1824-18785
- Barnett, Charles John, British Army officer; diplomat, 1790-18561