Name
- Government of India, Education, Health and Lands Department, 1924-c 19452
- Government of India, Home Department, 1834-19472
- Government of India, Posts and Telegraphs Department, c 1877-19472
- Government of Iran, Pahlavi dynasty, 1925-19792
- Government of Muscat and Oman, Finance Officer, Mid 20th century2
- Government of Saudi Arabia, Āl Sa‘ūd dynasty, 1932-2
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century2
- HMS Crocus, Arabis class sloop, 1915-19302
- HMS Emerald, light cruiser, 1920-19482
- HMS Hawkins, heavy cruiser, 1917-19472
- HMS Shoreham, sloop, 1930-19462
- HMS Triad, yacht, 1915-19332
- Hamburg America Line, shipping company, 1847-19702
- Harrison, Paul Wilberforce, doctor and missionary, 1883-19622
- Hickinbotham, Tom, Knight, army officer and political officer, 1903-19832
- Imam of Oman, 750-20092
- Imam of Yemen, 897-19622
- Indian Assistant's Court, Indian Assistant, Bahrain, c 1927-c 19492
- Indian Political Service, 1937-19472
- Indo-European Telegraph Department, Persian Gulf Section, Director, 1879?-19312