Name
- Lowten, Thomas, of the Temple1
- Lusieri, Titta, painter1
- MacMahon, John, 1st Baronet1
- Mack, Karl, General Austrian soldier1
- Mackay, John, of London1
- Mackinnon, Alexander, merchant; of Add MS 484091
- Magatti, Giuseppe, of Naples1
- Mallet, John Lewis, Secretary of the Audit Office1
- Mandeville, John Henry, diplomatist1
- Manfredi, Giocondo, President of the tribunal of Cervione, Corsica1
- Markett, James, at Naples1
- Marsh, Matthew, Rector of Brinkworth and Winterslow1
- Marshall, Joseph Head, physician1
- Mastrilli, Marzio, Marquis de Gallo, Neapolitan Ambassador to Vienna and (1802) to Milan1
- Mattie, Jean Baptiste, Maltese commissary in Palermo1
- Maynard, Charles, 2nd Viscount Maynard1
- McCormick, James, Superior, Franciscan College of St Isidore, Rome1
- Mehmed Sa'id Galib, Re'is ül-küttab; Turkish Head of Chancery1
- Melas, Michael Frederick Benedict, Baron, Austrian general1
- Merry, Anthony, diplomatist1