- Karolinska Institute
- Karolinska Institutet [Stockholm]
- Karolinska University Hospital [Stockholm]
- Katholiek Universiteit Leuven
- KC Microbiome Communications Group
- Keck School of Medicine [Los Angeles]
- Kennedy Krieger Institute [Baltimore]
- Kessler Institute for Rehabilitation, Kessler Foundation
- King Abdulaziz University
- King Edward Memorial Hospital for Women
- King Mongkut's University of Technology Thonburi