- Yale New Haven Hospital
- Yale School of Medicine [New Haven, Connecticut]
- Yale University [New Haven]
- Yamagata University
- Yamaguchi University
- Yamaguchi University Graduate School of Medicine
- Yamaguchi University [Yamaguchi]
- Yamanashi University
- Yangzhou University
- Yanqi Lake Beijing Institute of Mathematical Sciences and Applications
- Yanshan University [Qinhuangdao]
- Yantai University
- Yarmouk University
- Yazd University
- Yeditepe University
- Yeditepe University, Faculty of Pharmacy,
- Yerevan State Medical University after Mkhitar Heratsi
- Yersinia
- Yncréa Hauts-de-France
- YNCREA OUEST
- YNSECT
- Ynsect, Evry
- Yokohama Institute for Earth Sciences
- Yokohama National University
- Yong Loo Lin School of Medicine
- York University and The MEHRIT Centre, Canada
- York University [Toronto]
- Yukawa Institute for Theoretical Physics [Kyoto]
- Yunnan Institute of Geological Science
- YXIA