| Acronym | Definition |
|---|
| WSCA | Web Services Conceptual Architecture |
| WSCA | Western States Contracting Alliance |
| WSCA | Western States Communication Association (Fort Collins, CO) |
| WSCA | Washington State Chiropractic Association |
| WSCA | Workshop on Web Service Composition and Adaptation |
| WSCA | Washington School Counselor Association (Puyallup, WA) |
| WSCA | Western Speech Communication Association (Fort Collins, CO; now Western States Communication Association) |
| WSCA | Washington State Cemetery Association |
| WSCA | Washington Sporting Clays Association |
| WSCA | Wisconsin Charter Schools Association |