Name
- Houx, Charles Joseph Hyacinthe, Marquis de Vioménil, army officer, 1734-18272
- Humboldt, Friedrich Heinrich Alexander, naturalist and explorer, 1769-18592
- Humboldt, Friedrich Wilhelm Christian Karl Ferdinand, diplomatist and philologist, 1767-18352
- Huskisson, William, statesman, 1770-18302
- Irving, John, MP2
- Italinsky, Andrei Yakovlevich, Russian diplomatist2
- J. Bramah and Sons, locksmiths, engineers and millwrights, London, 1784-2
- Jelf, Richard William, Reverend; Principal of King's College, London2
- John Broadwood and Sons, pianoforte manufacturers, 1782-2
- Kavelin, Aleksandr Aleksandrovich, Russian general2
- Kleinmichel, Petr Andreevich, Count, Russian general2
- Knighton, William, 1st Baronet 1812, Keeper of th, Privy Purse 18222
- Kremenetsky, Ivan Pavlovich, Russian official2
- Labenski, Frantz Ivanovich, of the Hermitage Museum2
- Ledebour, Carl Friedrich, botanist, of Dorpat2
- Leiningen, Prince of, of Add MS 472942
- Lieven, Christoph Heinrich, Prince, Russian diplomatist2
- Lomonosov, Sergei Grigorovich, Russian diplomatist2
- Löschern, Karl, Russian army officer2
- Löwis, Friedrich, of Menar; Russian general2