Name
- John V, of Portugal1
- Jäger, Peter, and Sons1
- Kaunitz-Rietberg, Wenceslas Anton, Count, alias Rittberg; Austrian Envoy at the Congress at Aix-la-Chapelle1
- Kevenhüller, Johann Joseph, Graf; Imperial Minister of State1
- Kinigle, Comte1
- Knightley, Charles, of Add MS 331001
- Knipe, Edward1
- Knipe, Randolph1
- Knipe, William1
- Königsfeld, Johann Christian, Count1
- La Bourdonnais, Mazé, Chev1
- La Jonquière, Governor of Canada1
- La Quadra, Sevastian, Marques de Villarias, Spanish Minister of State1
- La Serre1
- La Tournelle, Secrétaire Ordinaire à la Conduite des Ambassadeurs en France1
- Lamb, Robert, of Add MS 330851
- Lamy, Antoine, of Calais1
- Landos, Nicholas, dit La Croix, de Calais1
- Langlet, Avocat1
- Lantifeltrio della Rovere, Filippo1