- HUTCHINSON
- Hamburg University of Technology
- Harbin Institute of Technology
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics
- Helmholtz zentrum für Schwerionenforschung GmbH
- Helmholtz-Gemeinschaft = Helmholtz Association
- Helsingin yliopisto = Helsingfors universitet = University of Helsinki
- Henan University of Science and Technology