- Hanoi University of Commerce
- Harish-Chandra Research Institute
- Hausdorff Center for Mathematics
- Hausdorff Center for Mathematics and Institute for Numerical Simulation - University of Bonn
- Head of Quantitative Research
- Hebrew University
- HEC Paris - Recherche - Hors Laboratoire
- Hedmark University College
- Heinrich-Hertz Lehrstuhl, Technische Universität Berlin
- Hémodynamique, Interaction Fibrose et Invasivité tumorales Hépatiques
- Héritages et Constructions dans le Texte et l'Image
- Heterogeneous Advanced Networking and Applications [Manouba]
- Heuristique et Diagnostic des Systèmes Complexes [Compiègne]
- Heymans Institute
- High Energy Physics Group
- Higher School of Economics
- High Performance Computing Research Unit
- High Performance Computing Unit
- Histoire des technosciences en société
- HKV Consultants
- H. Niewodniczanski Institute of Nuclear Physics
- Hochschule für Technik und Wirtschaft des Saarlandes - University of Applied Sciences
- Hogeschool van Amsterdam
- Hôpital Haut-Lévêque
- Hôpital Henri Mondor
- Horia Hulubei National Institute of Physics and Nuclear Engineering
- HTL - Histoire des Théories Linguistiques - UMR 7597
- Hua Loo-Keng Key Laboratory of Mathematic [Beijing]
- Huawei Technologies France
- HydrOcean
- Hydrogéologie, Argiles, Sols et Altérations - UMR 6532
- Hydroscience and Engineering [Iowa City]
- Hydrosciences Montpellier