- Kriwanek, Gerd1
- Krone, Tina1
- Krüger, Horst1
- Kuczyński, Waldemar1
- Kuntze, Peter1
- Kádár, János1
- Kündig-Steiner, Werner1
- Lafargue, Paul1
- Langer, Marie1
- Lathe, Heinz1
- Latk, Klaus-Reiner1
- Latvia1
- Leiling, Otto Heinrich1
- Lendvai, Paul1
- Levitin-Krasnov, A. E.1
- Levitsky, Serge L.1
- Lewin, Moshe1
- Liberman, Matviei Nikolaevich1
- Lieb, Fritz1
- Linke, Horst Günther1