- Karlsruhe Institute of Technology = Karlsruher Institut für Technologie
- Karolinska Institutet [Stockholm]
- Karolinska University Hospital [Stockholm]
- Kayrros
- KEEN EYE
- Key Laboratory of Computer Network and Information Integration [Nanjing China]
- Khatam University
- King Fahd University of Petroleum and Minerals
- King Hussein Cancer Center [Amman, Jordan]
- King's College Hospital