- Kansas State University
- Karlsruhe Institute of Technology = Karlsruher Institut für Technologie
- Kathmandu University
- Kentucky State University
- Kenya Forestry Research Institute
- Kenya Marine and Fisheries Research Institute - KMFRI (KENYA)
- Kenyatta University of Nairobi
- Key Laboratory for Earth Surface Processes of the Ministry of Education
- Key Laboratory of Alpine Ecology and Biodiversity
- Key Laboratory of Marine Ecosystem Dynamics
- Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources, Qingdao,
- Key Laboratory of Meteorological Disaster [Nanjing University]
- Key Laboratory of Microwave Remote Sensing
- Key Laboratory of Molecular Virology & Immunology
- Key Laboratory of Ocean Circulation and Waves
- Key Laboratory of Space Ocean Remote Sensing and Application
- Khalifa University
- Kiel Institute for the World Economy
- Kindai University
- King Abdullah University of Science and Technology [Saudi Arabia]
- King Saud University [Riyadh]
- Kingston University [London]
- Klimatologie, Klimadynamik und Klimawandel [Giessen]
- Kobe University
- Kochi Institute for Core Sample Research
- Kochi University
- Kongsberg Maritime
- Korea Advanced Institute of Science and Technology
- Korea Institute of Geoscience and Mineral Resources
- Korea Institute of Ocean Science and Technology
- Korean Academy of Meteorology and Climate
- Korean Ocean Research and Development Institute
- Korea Polar Research Institute
- Kumamoto University
- Kuwait Institute for Scientific Research
- Kwata
- Kwazulu-Natal Department of Agriculture and Environmental Affairs
- KwaZulu-Natal Department of Agriculture and Environmental Affairs
- Kyoto University
- Kyung Hee University
- Kyushu University