- JK Lakshmipat University
- JOANNEUM RESEARCH - Institute for Robotics and Mechatronics
- JP Morgan AI Research
- JRC Institute for Environment and Sustainability
- JUNIA
- Jacobs University = Constructor University [Bremen]
- Jadavpur University
- James Madison University
- Jan Evangelista Purkyne University
- Japan Advanced Institute of Science and Technology
- Japan Science and Technology Agency
- JiaYing University
- JiangSu University
- Jiangnan University
- Jiangsu Academy of Agricultural Sciences
- Jiangsu Key Laboratory of Crop Genetics and Physiology
- Jiangsu Normal University
- Jiangsu Vocational College of Agriculture and Forestry
- Jiangxi Academy of Agriculture Science
- Jiangxi Agricultural University
- Jiangxi Science & Technology Normal University
- Jiangxi University of Finance and Economics
- Jiaxing University
- Jilin Jianzhu University
- Jilin Normal University
- Jilin Province Academy of Agricultural Machinery
- Jilin Research Institute of Science and Technology Information [Changchun]
- Jilin University
- Jinan Cigarette Factory
- Jinan University [Guangzhou]
- JingDeZhen Ceramic Institute
- Jingdezhen Ceramic Institute
- John Carroll University
- John Naisbitt University
- Joint Institute for Nuclear Research
- Joint Special Operations University
- Jonkoping University
- Josip Juraj Strossmayer University of Osijek
- Jozef Stefan Institute [Ljubljana]
- Jozef Stefan International Postgraduate School [Ljubljana, Slovenia]
- Jönköping University
- Jönköping University [Sweden]