Encyclopedias, Almanacs, Transcripts, and Maps
- Kohl, Helmut (b. 1930)
- Kohn, Walter
- Kojève, Alexandre (1902–1968)
- Kojong
- Kokoshin, Andrei Afanasievich
- Kolakowski, Leszek (b. 1927)
- Kolchak, Alexander Vasilievich
- Kollontai, Alexandra Mikhailovna
- Komuch
- Kondratiev, Nikolai (1892–1938)
- Kondratiev, Nikolai Dmitrievich
- Konosuke Matsushita
- Konrad Z. Lorenz
- Konstantin Nikolayevich
- Kopeck
- Korea, Democratic People's Republic of (DPRK)
- Korea, from World War II
- Korea, to World War II
- Korean War (1950–1953)
- Korean War (1950–1953)