Encyclopedias, Almanacs, Transcripts, and Maps
- Korn, Alejandro (1860–1936)
- Korn, Alejandro (1860–1936)
- Körner, Emil (1846–1920)
- Korowai
- Korshak, Sidney Roy
- Koryaks and Kerek
- Kosice, Gyula (1924–)
- Kosinski, Jerzy Nikodem
- Kosinski, Jerzy Nikodem
- Kosmos Line
- Kosovars
- Kosrae
- Kotarbi?ski, Tadeusz (1886–1981)
- Kotosh
- Koufax, Sanford ("Sandy")
- Koufax, Sanford ("Sandy")
- Koyukon
- Kozlov, Aleksei Aleksandrovich (1831–1901)
- Kozmetsky, George
- Kozol, Jonathan