- Kansas State University
- Kantar – Health Division
- Kantonsspital Winterthur
- Kapteos SAS
- Kapteyn Astronomical Institute [Groningen]
- Karelian Research Center of the Russian Academy of Science
- Karl-Franzens-Universität Graz
- Karlsruhe Institute of Technology
- Karlsruher Institut für Technologie
- Karlstad University [Sweden]
- Karnatak Arts, Science & Commerce College
- Karolinska Institutet [Stockholm]
- Karolinska University Hospital [Stockholm]
- Kasetsart University [Bangkok, Thailand]
- Katedra Matematike
- Katedra Matematike \\ Rudarsko-geolo\v ski Fakultet \\ Universitet u Beogradu
- Katholieke Universiteit Leuven, ESAT|COSIC
- Kavli Institute for Cosmology [Cambridge]
- KDDI R&D Laboratories (Entreprise)
- KDD Lab
- Kedge Business School
- Kedge Business School [Talence]
- Keele University [Keele]
- Keio University [Tokyo]
- Kent Business School, University of Kent
- Kent State University
- Keosys
- Keosys Medical Imaging [Saint-Herblain]
- KEREVAL (Entreprise)
- Key Laboratory of Horticultural Plant Biology
- Key Laboratory of Plant Nutrition
- Key Laboratory of Plant-Soil Interactions - College of Resources and Environmental Sciences
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- Khalifa University Center for Autonomous Robotics Systems, Khalifa University of Science and Technology, Abu Dhabi
- Khalifa University for Science Technology [Abou Dabi]
- Kilpisjarvi Biological Station
- King Abdulaziz University
- King Abdullah University of Science and Technology [Saudi Arabia]
- King Fahd University of Petroleum and Minerals
- King Faisal University
- King‘s College London
- Kingston University [London]
- Kitasato University
- Kitware SAS
- Kliniken Essen-Mitte
- KNAW Humanities Cluster
- Knowledge Discovery Nuggets
- Knowledge Information and Web Intelligence
- Knowledge Information & Data Management Laboratory
- Knowledge Learning and Information Modelling
- Knowledge Media Institute
- Knowledge representation, reasonning
- Kobe University
- Koltzov Institute of Developmental Biology
- Konkoly Observatory
- Konkuk University [Seoul]
- Korea Advanced Institute of Science and Technology
- Korean Bible University
- Korea University [Seoul]
- Korteweg-de Vries Institute for Mathematics
- KOSMA,
- KRDB, Bolzano University
- KRDB Research Centre
- K team
- KTH Royal Institute of Technology [Stockholm]
- KTH School of Electrical Engineering
- KTH Stockholm
- KU Eichstatt-Ingolstadt
- KU Leuven Plant Institute
- Kunming Institute of Zoology
- Kunming Medical University
- Kuwait University
- KWS Momont SAS
- Kyoto University
- Kyōto Zōkei Geijutsu Daigaku 京都造形芸術大学 | Kyoto University of Art and Design
- Kyung Hee University
- Kyungpook National University [Daegu]
- Kyushu Institute of Technology
- Kyushu University