- JEUMONT ELETRIC
- JRC Institute for Environment and Sustainability
- JRC Institute for Transuranium Elements [Karlsruhe]
- JST-Crest
- Japan Science and Technology Agency
- Japanese French Laboratory for Informatics
- Jet Propulsion Laboratory
- Jeumont Electric, Altawest
- Jeune Equipe Hémopathogènes Vectorisés
- Jeunes Équipes de l'Institut de Physique du Collège de France
- Johann Radon Institute for Computational and Applied Mathematics
- John P. Hussman Institute for Human Genomics
- Joint Center for Structural Genomics
- Joint Japanese-French Robotics Research Laboratory [Japon]
- Joint Laboratory for Petascale Computing [Illinois]
- Joint Robotics Laboratory
- Joseph Louis LAGRANGE
- Journaliste
- Julius Kühn-Institute
- Juniorprofessur Agentenbasierte Automatisierung