- Harvard Medical School [Boston]
- Harvard Museum of Comparative Zoology
- Harvard University
- Harwell Science and Innovation Campus
- Heinrich Barth Institute
- Heinrich Heine Universität Düsseldorf = Heinrich Heine University [Düsseldorf]
- Helsingin yliopisto = Helsingfors universitet = University of Helsinki
- Helsinki Institute of Life Science
- Hessisches Landesmuseum Darmstadt
- HiLIFE - Institute of Biotechnology [Helsinki]
- Hinthada University [Myanmar] = ဟင်္သာတမြို့ တက္ကသိုလ် (my)
- Histoire naturelle de l'Homme préhistorique
- Hlaing University Campus
- Hôpital Bicêtre [AP-HP, Le Kremlin-Bicêtre]
- Hôpital Européen Georges Pompidou [APHP]
- Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest
- Hospices Civils de Lyon
- HR Wallingford Limited
- H.T.
- Human Evolution Research Center, Museum of Vertebrate Zoology and Departement of Integrative Biology
- Humboldt-Universität zu Berlin = Humboldt University of Berlin = Université Humboldt de Berlin
- Hydrobiologie et Ecologie Souterraines
- Hydrogéologie, argiles, sols et altérations - FRE3114