| Acronym | Definition |
|---|
| WCAS | Weinberg College of Arts and Sciences |
| WCAS | Waterloo Centre for Atmospheric Sciences (Ontario, Canada) |
| WCAS | Winnebago County Animal Services (Rockford, IL) |
| WCAS | Woods College of Advancing Studies (Boston College; Massachusetts) |
| WCAS | Westmorland County Agricultural Society (UK) |
| WCAS | Weather, Climate, and Society (American Meteorological Society journal) |
| WCAS | Warfighter Communication Assessment System (US DoD) |
| WCAS | World College for Advanced Study (Center for Philosophy and Foundations of Science; India) |
| WCAS | World Council of Arya Samaj |