Encyclopedias, Almanacs, Transcripts, and Maps
- Koch's Postulates
- Koch's Postulates: Robert Koch Demonstrates That a Particular Organism Causes a Particular Disease
- Koch, Walter A(lbert) (1895-?)
- Koestler Foundation
- Koestler Parapsychology Unit
- Köhler, Georges (1946-1995)
- Koilon
- Kolisko Effect
- Kommasso
- Konrad Emil Bloch
- Konrad Gesner
- Konrad Kyeser von Eichstadt
- Konrad Lorenz
- Konrad von Megenburg
- Konrad Zacharias Lorenz
- Konrad Zuse
- Koons, Jonathan (ca. 1855)
- Koot Hoomi, Master (Kuthumi)
- Kooy, J(ohannes) M(arie) J(oseph)(1902-)
- Koresh