- Wageningen University and Research [Wageningen]
- Wake Forest University
- Wakkanai Hokusei Gakuen University
- Walden University
- Washington State University
- Washington University in Saint Louis
- Water and Food Group
- Water Problems Institute
- Wayne State University [Detroit]
- WCRP Joint planning staff, World Meteorological Organization
- Wealth from Oceans Flagship
- Wealth from oceans National Research Flagship
- Weathertop consulting LLC
- Web Scale Trustworthy Collaborative Service Systems
- Weizmann Institute of Science [Rehovot, Israël]
- Wellington Zoo
- Westfälische Wilhelms-Universität Münster = University of Münster
- Wildlife Conservation Society
- WINLAB Rutgers University
- WISIP
- Woods Hole Oceanographic Institution
- Woods Hole Research Center
- Worcester State University [Worcester]
- World Agroforestry Center [CGIAR, Indonésie]
- World Agroforestry Center [CGIAR, Kenya]
- World Agroforestry Centre
- WorldFish
- World Maritime University
- World Meteorological Organization
- Worthington Groundwater
- WPI-Advanced Institute for Marine Ecosystem Change
- Wright State University
- WSL Institute for Snow and Avalanche Research SLF [Davos]
- Wuhan National Laboratory for Optoelectronics [HUST]
- Wuhan Technology and Business University
- WWF Guyane