Encyclopedias, Almanacs, Transcripts, and Maps
- Kitagawa, Joseph M.
- Kitti's Hog-Nosed Bats (Craseonycteridae)
- Kiwis (Apterygidae)
- Klimkeit, Hans-Joachim
- Klong Chen Rab 'Byams pa (Longchenpa)
- Knees
- Knob-Scaled Lizards (Xenosauridae)
- knock, engine
- Knots
- Knowledge and Ignorance
- Koalas (Phascolarctidae)
- Kokugaku
- kolanut
- Köln
- Komi Religion
- Kommunizma Pik
- Kong Sprul Blo Gros Mtha' Yas (Kongtrul Lodro Taye)
- Kongo Religion
- Königsberg
- Konk?ky?