| WCAT | Web Capacity Analysis Tool | Web容量分析工具 |
| WCAT | Water-Cooled Atom Trap | 水冷原子阱 |
| WCAT | Workers' Compensation Appeals Tribunal (Government of Ontario, Canada) | 工人赔偿诉讼法庭(政府的加拿大安大略省) |
| WCAT | Winthrop Community Access Television | Winthrop社区接入电视 |
| WCAT | Wakefield Community Access Television | 韦克菲尔德社区接入电视 |
| WCAT | Wireless Cellular Action Team | 无线蜂窝行动小组 |