- Kapteyn Astronomical Institute [Groningen]
- Kasetsart University, Department of Parasitology, Faculty of Veterinary Medicine
- K-Epsilon
- Kernfysisch Versneller Instituut, Univ. of Groningen
- Key Laboratory of Machine Perception (MOE)
- Key Laboratory of Mathematics Mechanization
- KEY LAB SILICATE MAT & ENGN
- Khawarizmi Laboratory of Mathematics and Applications
- KIMEP, Almaty, Kazakhstan