Name
- Knatchbull, Mary, Abbess of English Benedictines at Ghent1
- Knightley, Maura, Religieuse1
- L'Estrange, Roger, of Add MS 274481
- La Tour d'Auvergne, Emmanuel Théodose de, Cardinal de Bouillon1
- La Tour d'Auvergne, Godefroi Maurice, Duc de Bouillon, 1636-17211
- La foye1
- Leeds, John, of Wappingthorne, county Sussex1
- Legge, Henry Bilson, Envoy to Prussia in 1748, Chancellor of the Exchequer, 1754-17571
- Leopold I, Holy Roman Emperor and King of Germany, 1640-17051
- Lichtenstein, Johann Adam Andreas, Prince; Duke of Troppau and Jägerndorf1
- Lorraine, Anne Elizabeth, wife of Charles Henri, Prince de Vaudemont1
- Louis XIV, King of France, 1638-17151
- Lytcott, John, of Add MS 282251
- MacKenzie, William, 5th Earl of Seaforth1
- Mackenzie, Kenneth, 4th Earl of Seaforth1
- Mackenzie, William, of Add MS 282391
- Mancini-Mazarin, Philippe Jules, Duc de Nevers1
- Mantua, Duchy and Marquisate of. Ferdinand Charles1
- Marescotti, Galeazzo, Cardinal1
- Maria Elisabeth, Governor of the Netherlands, daughter of Emperor Leopold I1