- Harvard Medical School [Boston]
- Haskins Laboratories
- Haukeland University Hospital
- Haute École spécialisée de Suisse occidentale = HES-SO University of Applied Sciences and Arts Western Switzerland = Fachhochschule Westschweiz [Schweiz]
- Health Center Zagreb
- Health data- and model- driven Knowledge Acquisition
- Heinrich Heine Universität Düsseldorf = Heinrich Heine University [Düsseldorf]
- Hellenic Agricultural Organization Demeter
- HExapode, PHysiologie, AssISTance et Objets de Service
- High-End Parallel Algorithms for Challenging Numerical Simulations
- Hithink RoyalFlush Information Network Co
- Hokkaido University Hospital [Sapporo]
- Hokkaido University of Science
- Hong Kong University of Science and Technology
- Hôpital Arnaud de Villeneuve [CHU Montpellier]
- Hôpital Beaujon [AP-HP]
- Hôpital Cimiez [Nice]
- Hôpital Cochin [AP-HP]
- Hôpital Corentin Celton [Issy-les-Moulineaux]
- Hôpital de Hautepierre [Strasbourg]
- Hôpital de la Timone [CHU - APHM]
- Hôpital Erasme = Erasmus Hospital = Erasmus Ziekenhuis
- Hôpital Européen Georges Pompidou [APHP]
- Hôpital Foch [Suresnes]
- Hôpital Henri Mondor
- Hôpital Marie-Lannelongue
- Hôpital Nord [CHU - APHM]
- Hôpital Paul Brousse
- Hôpital Sud [CHU Rennes]
- Hôpitaux Universitaires de Genève
- Hôpitaux universitaires de Genève = University Hospitals of Geneva
- Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest
- Hospices Civils de Lyon
- Hospital Alemán [Buenos Aires]
- Hospital Israelita Albert Einstein [São Paulo, Brazil]
- Hospital Italiano de Buenos Aires
- Hospital Universitario 12 de Octubre [Madrid]
- Hospital Universitario Juan Ramón Jiménez [Huelva]
- Hospital Universitario Miguel Servet
- Hospital Universitario Virgen del Rocío [Sevilla]
- Humane Intelligence
- Human Research and Engineering Directorate [Aberdeen Proving Ground]
- Humboldt-Universität zu Berlin = Humboldt University of Berlin = Université Humboldt de Berlin
- Hydrosciences Montpellier
- Hypertension pulmonaire : physiopathologie et innovation thérapeutique