Name
- Jeni, Nicholas, late of the British commissariat2
- Jenkinson, Robert Banks, Baron Hawkesbury, 2nd Earl of Liverpool, Prime Minister, 1770-18282
- Jones, Robert G.2
- Layard, John Thomas, Lieutenant-General; Lieutenant Governor of Malta2
- Lindemann, Frederick, Consul for Sicily2
- Ludolf, Guglielmo, Conte; Sicilian Envoy Extraordinary in London2
- Luyando, José, Spanish navigator and statesman2
- Magra, James, of Naples2
- Maitland, Thomas, Lieutenant-General, GCB, Lord High Commissioner of the Ionian Islands, 1759?-18242
- Maria I, Queen of Portugal2
- Marie Annonciade Caroline, Queen Consort of Joachim Murat, King of Naples, 1782-18392
- Mastrilli, Marzio, Marquis de Gallo, Neapolitan Ambassador to Vienna and (1802) to Milan2
- Mayer, William, at Corfu2
- McDonell, Henry, Consul-General at Algiers2
- McFarlane, Robert, Lieutenant-General; KCB 18172
- Meade, Richard Charles Francis Christian, 3rd Earl of Clanwilliam2
- Mendham, Cailler and Co, British merchants at Messina2
- Miranda, Duca di, Master of the Hunt to the King of Naples2
- Narbonne-Pelet, Duc Raymond Jacques Marie, French Minister at Naples2
- Naselli, Diego, General; of the Sicilian and Neapolitan armies2