Name
- Merton, Richard, German industrialist1
- Montagu-Douglas-Scott, Mollie, wife of 8th Duke of Buccleuch alias Vreda Esther Mary1
- Moore, George Edward, philosopher, 1873-19581
- Morgan, Morien Bedford, CB, Scientific Advisor Air Ministry1
- Morgan, Shepard, President National Bureau of Economic Research New York1
- Mosley, Charlotte, writer1
- Mosley, Diana, née Freeman-Mitford, author, editor and wife of Oswald Mosley, 1910-20031
- Munby, Alan Noel Latimer, Librarian King's College Cambridge, 1913-19741
- Murray, Basil, journalist, son of G G Murray1
- Murray, George Gilbert Aimé, OM, classical scholar, 1866-19571
- Neep, Edward John Cecil, QC1
- Norrington, Arthur Lionel Pugh, President Trinity College Oxford1
- O'Neill, Anne Geraldine, afterwards Harmsworth afterw Fleming1
- Oakeshott, Walter Fraser, schoolmaster and college head, 1903-1987, http://isni.org/isni/000000...1
- Offor, Richard, Keeper of the Brotherton Collection1
- Ogilvie, Frederick Wolff, Director-General of the BBC1
- Oppenheim, Peter, economist1
- Oppenheimer, Harry Frederick, South African businessman1
- Osborn, Frederic James, Chairman of Executive Town and Country Planning Association1
- Osborne, John James, playwright, 1929-19941