Name
- Kruetz, S., Madame1
- Kudryavsky, Christian Yemelyanovich, Russian diplomatist1
- Kumani, A., Russian agent in Sofia1
- Kutaisov, Pavel Ippolitovich, Count, Governor of Nizhni Novgorod, in Russia1
- Kutuzov, Petr, Count1
- Kálnoky von Köröspatak, Gustav Sigmund, Count Austrian statesman1
- Kühlmann, Anna1
- La Barre de Nanteuil, Comte1
- La Roncièbre le Noury1
- Laboulaye, Antoine Paul René Lefebvre, French Ambassador in St Petersburg1
- Lagovsky, Pepita1
- Lamb, Fanny E., governess1
- Le Pin, Claire1
- Le Pin, Jenny, Madame1
- Lecomte, Ferdinand, Colonel; Swiss military writer1
- Lemonnier, Charles, President of the Ligue internationale de la paix et de la liberté1
- Leopold, Prince of Saxe-Coburg-Gotha1
- Lerche, Gustave1
- Lessovsky, C., Madame1
- Leuchtenberg, Duke of, Nicholas1