- Woerl, Joseph Edmund1
- Womack, Claire6
- Wong, Florence L.5
- Wong, J. P.1
- Wong-Coppin, Virginia1
- Woodbridge, William C. (William Channing), 1794-18451
- World Bank Group58
- World Data Center for Paleoclimatology5
- World Food Programme1
- World Resources Institute14
- World Wildlife Fund15
- World Wildlife Fund (WWF)40
- Wyatt, Katherine1
- Wyld, James, 1812-18873
- Wyoming Geographic Information Sciences Center3
- YaʼItyoṗyā kārtā śerā derejet11
- Yoklavich, Mary M.1
- Yolo County, Public Works Division, Planning Services 11
- Yona, Leehi1
- Yuba County (Calif.). Information Technology Services52
