Affiliations with the Letter J
- J. Heyrovsky Institute of Physical Chemistry -- Czech Republic
- J. K. Synthetics, Ltd. -- India
- Jadavpur University -- India
- Jagiellonian University -- Poland
- Jahangirnagar University -- Bangladesh
- Jai Narain Vyas University -- India
- James Cook University -- Australia
- Japan Advanced Institute of Science & Technology -- Japan
- Japan Association for International Chemical Infor -- Japan
- Japan Atomic Energy Agency -- Japan
- Japan Chemical Industry Association -- Japan
- Japan Environment Agency -- Japan
- Japan Oil Chemists' Society -- Japan
- Japan Polychem Corporation -- Japan
- Jawaharlal Nehru Centre for Advanced Scientific Re -- India
- Jilin University -- China
- Johannes Gutenberg Universität -- Germany
- Johannes Kepler Universität Linz -- Austria
- John Wiley & Sons, Ltd. -- United Kingdom
- Johns Hopkins University -- United States
- Johnson & Johnson, Inc. -- Puerto Rico
- Joint Institute for Nuclear Research -- Russia
- Joint-Stock Company Regional Inter-Branch Center (YugTechInform) -- Russia
- Jordi and Associates -- United States
- Josai University -- Japan
- Jožef Stefan Institute -- Slovenia
- József Attila University -- Hungary
- JSC International, Ltd. -- United Kingdom
- Jubilant Life Sciences, Ltd. -- India
- Julius Kühn-Institut -- Germany