Name
- Leon?, Francisco, agent of George, 2nd Earl of Bristol1
- Leyburn, George, chaplain to Queen Henrietta Maria; President of English College at Douai, 1600-16771
- Ligne, Claude Lamoral, Prince de Ligne, Spanish Ambassador in London1
- Lionne, Hugues de, French foreign minister1
- Lisola, Franz Paul, Baron, Imperial diplomatist and political writer1
- Livingston, James, 1st Earl of Newburgh1
- Lockhart, William, of Lee; soldier and diplomatist1
- Loménie, Louis Henri Joseph, Comte de Brienne, French Secretary of State1
- Longueil, René, Marquis de Maisons, French finance minister1
- MacGeoghegan, Antony, Bishop successively of Meath and Clonmacnois1
- Marchin, Jean Gaspard Ferdinand, Comte de Graville, Spanish Commander in Netherlands1
- Marguetel de Saint-Denis, Charles, Seigneur de Saint-Evremond1
- Mennes, John, Admiral1
- Mondeieu?, commanding Irish soldiers in French service1
- Montagu, Walter, Abbot of St Martin de Pontoise1
- Montaut, Philippe II, Duc de Navailles, Marshal of France1
- Morevert, Comtesse de1
- Morgan, Thomas, 1st Baronet, of Langattock1
- Orléans, Philippe, 1st Duc d'; brother of Louis XIV1
- Pechpeyrou de Cominges, Guillaume, Comte de Guitot, Governor of Châtillon-sur-Seine1