- Kennan, George F.1
- Kersten, Felix1
- Khaustov, Viktor Aleksandrovich1
- Kim, Il-sŏng1
- Kirov, Sergei Mironovich1
- Király, Béla K.1
- Knorr, Klaus1
- Kopelev, Lev1
- Koryagin, Anatoly Ivanovich1
- Kostov, Vladimir1
- Krasiński, Zygmunt1
- Kriukov, F. D.1
- Kulish, Panteleimon Oleksandrovych1
- Kulski, Julian Eugene1
- Kushev, Evgenii1
- Kuusinen, Aino1
- Kuzmin, M. A.1
- Kuznetsov, Eduard1
- Laks, Szymon1
- Le Carré, John1