Encyclopedias, Almanacs, Transcripts, and Maps
- Kinorhynchs: Kinorhyncha
- Kintup
- Kirby, Bernard C(romwell) (1907-1991)
- Kirk, Paul Leland
- Kirkwood, Annie (1937-)
- Kirlian Aura
- Kirsten Nygaard
- Kischuph
- Kiss, Bewitchment by a
- Kitson, Alfred (1855-1934)
- Kitti's Hog-Nosed Bat: Craseonycteridae
- Kiwis: Apterygidae
- Kiyota, Masuaki (1962-)
- Klarer, Elizabeth (1910-1994)
- Klaus von Klitzing
- Klinckowstroem, Graf Carl von (1884-1969)
- Klinschor (or Klingsor)
- Klippel Feil Syndrome
- Klippel-Feil Sequence
- Klippel-Trenaunay-Weber Syndrome