Kend
- Klug
- Kendall
- Kendall , Edward Calvin
- Kendall , Henry Way
- Kendrew
- Kendrew , Sir John Cowdery
- Kepler , Johannes
- Kerr
- Kerr , John
- Kettlewell , Henry Bernard Davis
- Khorana
- Khorana , Har Gobind
- Kilby , Jack St. Clair
- King , Charles Glen
- Kinsey , Alfred Charles