Name
- Jones, David Brynmor, KC; MP1
- Kempster, John1
- King, James G-, Secretary, United Government-Workers' Federation1
- Kitson, James, Baronet; 1st Baron Airedale 19071
- Lamont, Norman, 2nd Baronet 19131
- Lawson, Wilfrid, 2nd Baronet1
- Lawton, W- A-1
- Lyell, Leonard, 1st Baron Lyell of Kinnardy 19141
- MacColl, Malcolm, Canon of Ripon1
- Mackarness, Frederic Coleridge, MP1
- Mackay, Donald James, 11th Baron Reay1
- Masingham, Henry William, journalist1
- Mather, William, PC 19101
- McArthur, William Alexander, MP1
- McKenna, Reginald, PC, MP1
- Mendl, Sigismund Ferdinand, KBE 19181
- Milman, Archibald John Scott, Clerk of the Commons1
- Molteno, Percy Alport, MP1
- Murray, Alexander William Charles Oliphant, 1st Baron Murray of Elibank, MP, 1870-19201
- Murray, Andrew, 1st Viscount Dunedin, politician and judge, 1849-19421