Name
- Leighton, Frederic, Baron Leighton, PRA1
- Leon, Herbert Samuel, 1st Baronet 19111
- Lewis, John Herbert, MP; GBE 19221
- Logan, John William, MP; of Add MS 447891
- Lubbock, John, 1st Baron Avebury, banker, politician, and scientific writer, 1834-19131
- Luttrell, Hugh Courtenay Fownes, MP1
- Lyttelton, Alfred, sportsman and politician, 1857-19131
- Mackay, Donald James, 11th Baron Reay1
- Mahony, Pierce, MP; of Add MS 444951
- Mather, William, MP; Knight 19021
- McLagan, Peter, MP1
- Mellor, John William, Judge-Advocate-General1
- Milman, Archibald John Scott, Clerk of the Commons1
- Monson, William John, 7th Baron Monson, Viscount Oxenbridge 18861
- Montagu, Samuel Samuel-, 1st Baronet 1894; 1st Baron Swaythling 19071
- Morgan, George Osborne, Baronet1
- Morley, Arnold, PC; of Add MS 442531
- Morley, John, Viscount Morley of Blackburn, statesman, 1838-19231
- Munro-Ferguson, Ronald Craufurd, Viscount Novar, Governor-General of Australia, 1860-19341
- Paget, James, 1st Baronet, surgeon1