- Wageningen Environmental Research (Alterra)
- Wageningen University and Research Centre
- Wageningen University and Research [Wageningen]
- Warsaw University of Life Sciences
- Waseda University [Tokyo, Japan]
- Washington State Department of Health
- Washington State University
- Washington University in Saint Louis
- Wayne State University [Detroit]
- Western Kentucky University
- Western Norway University of Applied Sciences
- WHO Regional Office for Europe [Copenhagen]
- Wiener Institut für Internationale Wirtschaftsvergleiche
- Wildlife Conservation Society
- Wilfrid Laurier University
- Willamette University
- WIPSEA
- Woods Hole Oceanographic Institution
- World Agroforestry Centre
- World Bank Group
- World Bank Groupe - Banque Mondiale
- WorldFish
- World Resources Institute
- World Soil Information
- World Wide Fund
- Wroclaw University of Environmental and Life Sciences