- J. Heyrovsky Institute of Physical Chemistry
- J. Heyrovsky institute of Physical Chemistry
- J.-V. Poncelet Laboratory
- JDSU Uniphase
- JRC Institute for Environment and Sustainability
- Jack Baskin School of Engineering
- Janusz Gil Institute of Astronomy [Góra, ul. Licealna 9, 65-417, Zielona Góra, Poland]
- Japan Society for the Promotion of Science
- Japanese French Laboratory for Informatics
- Jet Propulsion Laboratory
- Johann Bernoulli Institute
- Johann Bernoulli Institute of Mathematics and Computing Science
- Johann Radon Institute for Computational and Applied Mathematics
- John Hunter Children's Hospital
- Johns Hopkins Univ, Lab Computat Sensing & Robot, Baltimore, MD 21218 USA
- Joint European Torus
- Joint Research Centre
- Joint Research Unit for Biodiversity (UO, CSIC, PA)
- Joint Robotics Laboratory
- Joseph Louis LAGRANGE
- Journaliste
- Joysonic
- Julius Maximilians University Wurzburg
- Jyun‐Wei Huang
- Jönköping University
- Jülich Supercomputing Centre