- Kennedy, John F.1
- Kiss, Sándor, 1918-1
- Kohn, Hans1
- Korczak, Janusz1
- Krafft, Karl E.1
- Kuhn, Isobel1
- Kun, Béla1
- Károlyi, Antal1
- Lenin, Vladimir Ilʹich1
- Lloyd George, David1
- Makarenko, Anton Semenovich1
- Man, Hendrik de1
- Marinisheva, Valeriia1
- Mindszenty, József1
- Mussolini, Benito1
- Parvus1
- Penʹkovskiĭ, Oleg Vladimirovich1
- Pons, Jean-Louis1
- Pushkin, Aleksandr Sergeevich1
- Rössler, Rudolf1