Name
- Kempelen, Wolfgang, Baron1
- Kennicott, Benjamin, DD, Vicar of Culham1
- Kerr, William John, 5th Marquess of Lothian1
- Kerr, William, Earl of Ancram, and (1815) 6th Marquis of Lothian1
- Ketteler, Baronne; née Galen1
- Kinsky, Joseph, Count1
- Knox, Robert, MD1
- Kohary, Madame Josephe1
- Königsbrun, Franz Xaver, Baron1
- La Sambuca, Chevalier1
- Larrey, Thomas Isaac, Count, Dutch Minister of State1
- Las Casas1
- Le Tonnelier, Louis Auguste, Baron de Breteuil, French envoy at Vienna, etc1
- Lees, John, Secretary to the Irish Post Office1
- Lenox, Charles1
- Leopold Frederic Francis, Prince of Anhalt-Dessau1
- Lery de Mezieres, Chevalier1
- Leslie, Leopold, Count1
- Liddell, Henry, 4th Baronet, Baron Ravensworth (1747)1
- Lindsay, Anne, afterwards wife of Andrew Barnard1