Name
- Mayhew, Birkenshaw and Mayhew, solicitors of London1
- Maynard, Forster Herbert Martin, Air Vice-Marshal1
- McLeod, A J, late RN1
- Menzies, Robert Gordon, Knight, Australian Prime Minister, 1894-19781
- Meyrick, Sidney Julius, Admiral1
- Michelier, Félix, French admiral1
- Mikules, T Leonard, of the US Naval Institute1
- Miles, Geoffrey John Audley, Admiral1
- Mitchell, William Gore Sutherland, Air Chief Marshal1
- Monckton, Walter Turner, 1st Viscount Monckton1
- Moore, Henry Ruthven, Admiral1
- Murray, Arthur Cecil, 3rd Viscount Elibank, Master of Elibank1
- Murray, Oswyn Alexander Ruthven, GCB, Admiralty Sec1
- Nairne, Patrick Dalmahoy, of the Admiralty1
- Nelles, Percy W, Vice-Admiral RCN1
- Nicholls, Reginald Morton, Canon of St Paul's Cathedral Malta1
- Noble, Percy Lockhart Harnam, Admiral1
- Odend'hal, Jean Hernest, French vice-admiral1
- Oliver, Dudley1
- Oliver, Geoffrey Nigel, Admiral1