Name
- Mayo College, Ajmer, 1875-2
- Mercury, ship, 1759-17842
- Mesopotamia Expeditionary Force, Chief Political Officer, 1914-1920?2
- Mesopotamia Expeditionary Force, Intelligence Branch, 1914-1920?2
- Middle East Anti-Locust Unit, Mid 20th century2
- Military Adviser to the Sultan of Muscat and Oman, 1940s2
- Ministry of Economic Warfare, 1939-19452
- Ministry of Food, 1939-19552
- Ministry of Foreign Affairs, Egypt, 1922-2
- Ministry of Foreign Affairs, Iran, 1821-2
- Ministry of Justice, Iraq, Early 20th century-Mid 20th century2
- Mohsin, Abdul, passport clerk, fl 19492
- Morning Star, ship, Late 18th century2
- Mornington, sloop-of-war, Early 19th century2
- National Bank of India, 1863-19582
- National Bank of Turkey, 1909-19312
- National Geographic Society, scientific and educational institution, 1888-2
- Native Agent, Mogoo [Moguyeh], 1820s2
- Naval Officer-in-Charge, Bahrain, Mid 20th century2
- Office International d'Hygiène Publique, 1907-19462