Name
- Knollys, Francis, 1st Viscount Knollys, courtier, 1837-19241
- Knox, Uchter John Mark, 5th Earl of Ranfurly1
- Lamsdorff, Vladimir, Count Russian statesman1
- Law, William Algernon, KCMG1
- Layard, Austen Henry, GCB, archaeologist and politician, 1817-18941
- Lefevre, John George, Knight, civil servant, 1797-18791
- Leipziger, — de, minister to the Grand-Duke of Hesse-Darmstadt1
- Lister, Reginald, KCMG1
- Loftus, Augustus William Frederick Spencer, GCB, colonial governor1
- Louise Caroline Alberta, Princess, 4th daughter of Queen Victoria, wife of John Marquess of Lorne and 9th Duke of Argyll, 1848-19391
- Louise Victoria Alexandra Dagmar, Princess Royal, 1867-19311
- Luis I, King of Portugal1
- Lumley, Augustus Savile1
- MacBride, H G, diplomatist1
- Mackie, Horatio Arthur, KCMG1
- Magny, Maurice de, diplomatist?1
- Maitland, I G, of the Civil Service Commission1
- Maud Charlotte Mary Victoria, Queen Consort of Haakon VII of Norway, 1869-19381
- Middleton, Robert Thomas Charles, diplomatist1
- Monson, Edmund John, 1st Baronet, diplomatist1