- Jungk, Robert1
- Kahn, Herman1
- Kalatskii, Vladimir Petrovich1
- Kamenetsky, Ihor1
- Kee, Robert1
- Kellen, Konrad1
- Kennan, George F.1
- Khrushchev, Nikita Sergeevich1
- Knorre, Werner von1
- Kologrivov, Ivan1
- Kommunisticheskaia partiia Sovetskogo Soiuza1
- Korom, Mihály1
- Kostruba, Teofil1
- Krupskaia, Nadezhda Konstantinovna1
- Krupskaya, Nadezhda Konstantinovna1
- Lenin, Vladimir Il'ich1
- Lewytzkyj, Borys1
- Lichtheim, George1
- Lifton, Robert Jay1
- Liu, Earnest1