Name
- Le-Poer Trench, Richard, 2nd Earl of Clancarty1
- Leake, William Martin, Lieutenant-Colonel; topographer of Greece1
- Levinge, Richard George Augustus, 7th Baronet1
- Lieven, Christofor Andreevich, Prince, Russian Ambassador in London, d 18391
- Logan, Michael, inventor1
- Ludwig Karl, King of Bavaria1
- Mackenzie, George Steuart, 7th Baronet of Coul, FRS1
- Malcolm, Pulteney, KCB, Admiral, Commander-in-Chief at St Helena and the Cape1
- Miguel I, King of Portugal, called "The Absolutist", "The Traditionalist" or "The Usurper", 1802-18861
- Milbanke, John Ralph, 8th Baronet 18501
- Mimaut, Jean Francois, French consul at Alexandria; Consul-General 18301
- Murdoch, Thomas William Clinton, civil servant, KCMG1
- Murray, George, Knight, army officer and politician, 1772-18461
- Nugent, Lavall, Count Nugent, Austrian Field-Marshal 18491
- Owen, Robert, socialist and philanthropist1
- Palgrave, Francis, Knight, archivist and historian, 1788-18611
- Parliament1
- Pelham-Clinton, Henry Pelham, 5th Duke of Newcastle1
- Pius VIII, Pope1
- Planta, Joseph, the younger, GCH, diplomatist and politician, 1787-18471