Name
- Abu Dhabi Company for Onshore Oil Operations, 1936-5
- Admiralty, 1708-19643
- Admiralty, Naval Intelligence Department, Director, 1887-19121
- Afghan Boundary Commission, 1884-18861
- Aga Khan III, 1877-19571
- Akhal-Teke, Family, 19th century1
- Ambassador of France to Russia, Early 18th century-1
- Ambassador of France to the United Kingdom, Early 18th century-1
- Ambassador of the Russian Empire to the United Kingdom, 1706-19172
- Anglo-Iranian Oil Company Limited, 1909-19547
- Arabian American Oil Company, 1933-19881
- Arbitrator, Sistan Arbitration Commission, 1872-18731
- Army Council, 1904-19641
- Arnold, Thomas Walker, Knight, orientalist and historian, 1864-19302
- Assistant Advocate General, Bengal, 19th century1
- Assistant Commissioner, Afghan Boundary Commission, 1884-18861
- Assistant Resident, Perim, 19th century-20th century1
- Assistant to the Political Resident in the Persian Gulf, 1828-19711
- Atatürk, Mustafa Kemal, army officer, reformer and statesman, 1881-19382
- Badger, George Percy, Arabic scholar and missionary, 1815-18881