Name
- Loftus, Adam, of Stowe MS 2063
- Lorraine, Henri, Duc de Meyenne3
- Lort, Michael, antiquary, 1724/5-17903
- Lucas, Charles, 2nd Baron Lucas3
- Lumley, Richard, Lord Lumley, 2nd Earl of Scarborough (1721)3
- Lydgate, John, of Stowe MS 693
- Lyttelton, Charles, DD, FRS, Bishop of Carlisle3
- MaGinn, Patrick, Chaplain to the Queen3
- Magennis, Arthur, Viscount Iveagh3
- Mann, Horace, 1st Baronet, British Minister at Florence3
- Mareschal, Dom. Joan3
- Massue, Henri, 2nd Marquis de Ruvigny, soldier and diplomat, 1648-17203
- Maximilian I, Elector of Bavaria3
- Meith, Robert Murray, Ambassador to Russia, etc3
- Melsa, Godfrey, miles3
- Milton, John, of Stowe MS 1423
- Mitchell, Andrew, diplomat, 1708-17713
- Montagu, Edward, 1st Earl of Sandwich, Admiral, 1625-16723
- Montgomery, Hugh, Earl of Mount Alexander3
- Moore, Jonas, Surveyor of the Ordnance3