- Judah1
- Khmelʹnytsʹkyĭ, Bohdan1
- Kim, Il-sǒng1
- Knorr, Klaus1
- Knowland, William F. (William Fife), 1908-19741
- Korczak, Janusz1
- Kozal, Michał1
- Kropotkin, Petr Alekseevich1
- Kölcsey, Ferenc1
- Lincoln, Abraham1
- Lindemans, Christian1
- Luxemburg, Rosa1
- Maimonides, Moses1
- Makovskii, Konstantin Egorovich1
- Malmesbury, James Harris1
- Mannerheim, Carl Gustaf Emil, friherre1
- Mao, Zedong1
- Marx, Karl,1
- Maurras, Charles1
- May, Allan Nunn1