Name
- Abbo, Naoum, fl 1915-19351
- Abraham, William Ernest Victor, army officer and oil company employee, 1897-19801
- Aden Armed Police Force, 19th century - 20th century1
- Administrator General of the Finances of Iran, 1942-19451
- Admiralty War Staff, Naval Intelligence Division, 1912-19641
- Admiralty, 1708-19642
- Admiralty, Hydrographic Department, 1795-1
- Adviser to the Government of Bahrain, 1926-19572
- Aga Farrukh Shah, d 19161
- Aga Khan III, 1877-19571
- Agent to the Governor-General, Resident and Chief Commissioner, Baluchistan, 1876-19471
- Aide-de-Camp and Private Secretary to the Emir of Kuwait, fl Mid 20th century1
- Air Ministry, 1918-19644
- Air Survey Company of India, Early 20th century - Mid 20th century1
- Airwork Limited, 1928-19881
- Aitchison, Charles Umpherston, Knight, administrator in India, 1832-18961
- Ali Haider, Emir of Mecca, 1916-19351
- All India Muslim League, 1906-19471
- Ambassador of Nepal to the United Kingdom, 1934-1
- American Mission Hospital, Bahrain, 1903-2