- Kemény, István1
- Kharakhorkin, L. R.1
- Khrushchev, Nikita Sergeevich1
- Khrushchov-Sokolʹnikov, G. A.1
- King, Gordon1
- Kirill, Tikhonov1
- Kirsanova, V.1
- Kopalin, V.1
- Kovalenko, D. A.1
- Kovalenok, Ivan1
- Kozorowski, Emil W.1
- Kozyrev, E.1
- Kozłowski, Czesław1
- Kuz'minov, A. F.1
- Laird, Roy D.1
- Lebedev, A. I.1
- Lobko, Vasyl1
- Luboff, Norman1
- Lukovets, Aleksei Illarionovich1
- Mace, Vera1