| EUCA | European Union Control Association | 欧盟控制协会 |
| EUCA | Engineering & Utility Contractors Association | 工程及效用承包商协会 |
| EUCA | Engineering Utility Contractors Association | 工程公用工程承包商协会 |
| EUCA | Extended Unemployment Compensation Account | 延长失业补偿账户 |
| EUCA | End User Computer Application | 最终用户计算机应用程序 |