Name
- Longrigg, Stephen Hemsley, army officer and oil company employee, 1893-19791
- MacMunn, George Fletcher, Lieutenant-General KCB, Commander-in-Chief Mesopotamia1
- Macdonald-Tyler, Henry Hawes Francis, of the Indian Civil Service1
- Mackie, John B, Captain Political Officer Mesopotamia1
- Mahmud Ma'tuq, Hajji, of Basra1
- Mann, J S, Captain Political Officer Mesopotamia1
- Marine Bros, of Basra, Iraq1
- Martin, Louis, Reverend vicegerent of the Apostolic Delegation to Persia and administrator of the Latin Archdiocese of Isfahan1
- Massey, R L, of Office of Controller of Hostile Trading Concerns Baghdad1
- Masterson, E C, Captain Assistant Political Officer Mesopotamia1
- McDouall, William, of Civil Administration Mesopotamia, former Consul at Kirmanshah1
- Mesopotamia Persia Corporation Limited, 1919-19361
- Miller, Alan Franklin?, Captain Assistant Political Officer Mesopotamia1
- Milward, Clement Arthur, Major-General KCIE1
- Montagu, Edwin Samuel, statesman, 1879-19241
- Morgan, C Stuart, of the Anglo-Persian Oil Co1
- Morris, L J, of Eastern Bank Ltd Mosul1
- Mougel, L, Municipal Engineer Baghdad1
- Mubarak Sa'd Mubarak, of Basra1
- Muhammad, Mirza, Khan Bahadur, CIE, of Civil Administration Mesopotamia1