- Yachay Tech University
- Yahoo!
- Yahoo! Labs
- Yahoo! Labs New York
- Yahoo! Research [Barcelona]
- Yahoo! Research [Silicon Valley]
- Yakutsk State University
- Yale Center for Combustion Studies
- Yale Quantum Institute
- Yale school of Engineering [New Haven]
- Yale School of Medicine [New Haven, Connecticut]
- Yale University [New Haven]
- Yamagata University
- Yamaguchi University [Yamaguchi]
- Yandex [Moscou]
- Yangtze Delta Region Institute of Tsinghua University [Zhejiang]
- Yangzhou University
- Yanqi Lake Beijing Institute of Mathematical Sciences and Applications
- Yanshan University [Qinhuangdao]
- Yantai University
- Yara Technology Center
- Yarmouk University
- Yaşar University
- Yau Mathematical Science Center and Beijing Institute of Mathematical Sciences and Applications
- Yau Mathematical Sciences Center, Tsinghua University,
- Yazd University
- Ycoor Systems SA
- Yeditepe University
- Yerevan State University
- Yeshiva University
- Yeungnam University
- Yeungnam University [South Korea]
- Yildiz Technical University
- Yinfei Technologies
- Yncréa Hauts-de-France
- YNCREA OUEST
- Yokohama Biopharmaceutical Research and Development Center [Yokohama]
- Yokohama National University
- Yonsei University
- York Plasma Institute
- York University [Toronto]
- Youngstown State University
- Younicos AG
- Yukawa Institute for Theoretical Physics [Kyoto]
- Yunnan University