| WSCA | Western Saddle Clubs Association, Inc. | 西方马鞍俱乐部协会。 |
| WSCA | Washington State Chiropractic Association | 华盛顿州脊医协会 |
| WSCA | Washington Sporting Clays Association | 华盛顿运动粘土协会 |
| WSCA | Western States Communication Association | 西方国家通信协会 |
| WSCA | Workshop on Web Service Composition and Adaptation | Web服务组合和适应研讨会 |
| WSCA | Western States Contracting Alliance | 西方国家缔约联盟 |