Encyclopedias, Almanacs, Transcripts, and Maps
- Kerner, Otto, Jr.
- Kerr, (Bridget) Jean Collins
- Kerr, Walter Francis
- Kesey, Kenneth Elton ("Ken")
- Ketchel, Stanley
- Kewa
- Keynes, John Maynard (1883–1946)
- Keys, Ancel Benjamin
- Keyserling, Hermann Alexander, Graf von (1880–1946)
- Khakas
- Khakass
- Khaldunniyya
- Kharg Island
- Khasi
- Khasi
- Khevsur
- Khinalughs
- Khomiakov, Aleksei Stepanovich (1804–1860)
- Khua
- Khuzistan