- Kelemen, János1
- Kildea, Gary1
- Kivinen, Markku1
- Klimovich, Liutsian Ippolitovich1
- Kojnok, Arnold1
- Koneczny, Feliks1
- Kossakovskii, Viktor1
- Kuhn, Thomas S.1
- Körösényi, András1
- Labov, Jessie1
- Lasswell, Harold D.1
- Lee, Jamie A.1
- Lefèbvre, Henri1
- Levitzky, Sergei A.1
- Lewandowski, Jerzy1
- Liddell Hart, Basil Henry1
- Littell, Jonathan1
- Lofthouse, William Frederick1
- Losskii, N. O.1
- Lovelock, James1