- Kennedy, John F.1
- Khrushchev, Nikita Sergeevich1
- Kindersley, Richard1
- Király, Béla1
- Kissinger, Henry1
- Kochan, Lionel1
- Kohn, Hans1
- Kommunisticheskaia partiia Sovetskogo Soiuza1
- Konnyu, Leslie1
- Korabov, Nikolai1
- Kosinski, Jerzy1
- Kovács, Lajos1
- Krassó, György1
- Kristl, Vlado1
- Kurashov, Sergei Vladimirovich1
- Labedz, Leopold1
- Lang, David Marshall1
- Laqueur, Walter1
- Leonhard, Wolfgang1
- Leontʹev, L. A.1