| Thorsten Wagener (Department: Civil and Environmental Engineering) • Associate Professor of Civil and Environmental Engineering |
| Tyler Wagner (Department: School of Forest Resources) • Adjunct Assistant Professor of Fisheries Ecology • Assistant Unit Leader, Pennsylvania Cooperative Fish and Wildlife Research Unit |
| Paul N. Walker (Department: Agricultural and Biological Engineering) • Professor of Agricultural Engineering |
| Chao-Yang Wang (Department: Mechanical and Nuclear Engineering) • Distinguished Professor of Mechanical Engineering • Director of the Electrochemical Engine Center |
| Donghai Wang (Department: Mechanical and Nuclear Engineering) • Assistant Professor of Mechanical Engineering |
| Denice Wardrop (Department: Geography) • PSIEE Assistant Director - Environment • Associate Professor of Geography and Ecology • Associate Director, Cooperative Wetlands Center |
| Eric Warner (Department: Applied Research Laboratory) • Research Associate, ARL |
| Leah Wasser (Department: Crop and Soil Sciences) • Extension Associate - Penn State Geospatial Technology Program Land Analysis Lab |
| Jack Watson (Department: Crop and Soil Sciences) • Professor of Soil Science |
| Robert Watson (Department: Energy and Mineral Engineering) • Associate Professor, Petroleum & Natural Gas Engineering and Geo-Environmental Engineering |
| Robert D. Weaver (Department: Agricultural Economics and Rural Sociology) • Professor of Agricultural Economics |
| Kenneth Weiss (Department: Anthropology) • Evan Pugh Professor of Biological Anthropology and Genetics Evan Pugh Professor of Biological Anthropology and Genetics |
| Paul Weiss (Department: Chemistry) • Distinguished Professor of Chemistry and Physics |
| Eileen F. Wheeler (Department: Agricultural and Biological Engineering) • Professor of Agricultural Engineering |
| Tim White (Department: Earth and Environmental Systems Institiute) • Senior Research Associate, EMS Earth and Environmental Systems Institute |
| Harry Wiant (Department: School of Forest Resources) • Joseph E. Ibberson Chair in School of Forest Resources |
| Peter Wilf (Department: Geosciences) • Associate Professor of Geosciences • John T. Ryan, Jr., Faculty Fellow |
| Daniel Willis (Department: Architecture) • Professor of Architecture |
| Ann M. Wolf (Department: Crop and Soil Sciences) • Director, Agricultural Analytical Services Laboratory • Affiliate Assistant Professor of Soil Science |
| Dennis J. Wolnick (Department: Horticulture) • Associate Professor of Floriculture |
| Melissa Wright (Department: Geography) • Associate Professor of Geography and Women's Studies |
| John Wyngaard (Department: Meteorology) • Professor of Meteorology • Professor of Energy and and Mineral Engineering |