- W2Economics
- Wake Forest University
- Warsaw University of Life Science
- Washington National Primate Research Center
- Washington University
- Washington University in Saint Louis
- Websourd
- WebSourd
- Welcare Hospital
- Western Health
- Western Hospital
- Western Hospital and Epworth Musculoskeletal Institute
- Western Imaging Group
- Western Sydney University
- Wexner Medical Center
- Whist Lab
- WHO Collaborating Center for Food and Nutrition Policies, Department of Hygiene
- WHO Collaborating Center on Prevention and Treatment of Human Echinococcosis
- Wilder & Davis
- Wise & Munro, learning research
- Woodhouse Clinic
- Work and Social Psychology
- World Bank Group
- Wuhan University [China]