Name
- King, Robert Edward, 1st Viscount Lorton1
- Kinnaird, George William Fox, 9th Baron Kinnaird1
- Koháry, Franz Joseph, Prince, Chancellor of the Hungarian Court1
- Kyle, James Francis, RC Vicar Apostolic, Northern District of Scotland1
- Lebzeltern, Ludwig1
- Leopold Niklaus von Herz und Companie, bankers, Vienna1
- Lieven, Christofor Andreevich, Prince, Russian Ambassador in London, d 18391
- Lonsdale, Gwalter Borranskill Congreve, attaché at Munich1
- Ludwig Karl, King of Bavaria1
- Lyons, Edmund, 1st Baron Lyons, Vice-Admiral GCB1
- Maasdijk, Henri Eickma, of Rotterdam1
- MacGettigan, Patrick, RC Bishop of Raphoe1
- MacHale, John, Roman Catholic Archbishop of Tuam and Irish nationalist, 1791-18811
- MacNally, Charles, RC Bishop of Clogher1
- Malet, Alexander, 2nd Baronet1
- Maria Carolina of Austria, Queen Consort of Ferdinand I of the Two Sicilies, 1752-18141
- Marmont, Auguste Frédéric Louis Viesse, Duke of Ragusa, Marshal1
- Maule, Fox, 11th Earl of Dalhousie, 2nd Baron Panmure, afterwards Maule-Ramsay, army officer and politician, 1801-18741
- Maximilian Joseph I, Elector Duke of Bavaria1
- Mensdorff-Pouilly, Emanuel, Lieutenant-General Count1