- Kin K. Leung
- Kinshuk Jerath
- Kiran Panchamgam
- Kirby Ledvina
- Kirk E. Lagory
- Kirk Roy
- Kirk Yost
- Kirthi Kalyanam
- Kishau Rogers
- Kishore Kommi
- Kislan Santos
- KiYoung Lee
- Klaus Weber
- Klemens Binswanger
- Koç University Student Chapter
- Koen Pauwels
- Koert van Ittersum
- Konstantin Kalinchenko
- Konstantinos I. Stouras
- Kory Hedman