Encyclopedias, Almanacs, Transcripts, and Maps
- Karsavin, Lev Platonovich (1882–1952)
- Kashif al-Ghita family
- Kashinawa
- Kashmiris
- Kashubians
- Kaska
- Kassallah
- Kasseng
- Kasztner Affair
- Katarismo
- Katharsis
- Kattang
- Kattaniya Brotherhood
- Katu
- Katzenbach, Nicholas de Belleville
- Kauffman, Ewing Marion
- Kaufman, Bel
- Kaufman, Irving Robert
- Kaufmann, Walter Arnold (1921–1980)
- Kautsky, Karl (1854–1939)