| WECS | Wind Energy Conversion System | 风能转换系统 |
| WECS | Workshop on Education in Computer Security | 计算机安全教育讲习班 |
| WECS | Wärtsilä Engine Control System | Wärtsilä Engine Control System |
| WECS | Web Enabled Collaboration System | 基于Web的协作系统 |
| WECS | West End Catholic School (Johnstown, PA) | 西区天主教学校（宾夕法尼亚州约翰斯顿） |
| WECS | Wymondham & Edmondthorpe Civic Society (UK) | Wymondham & Edmondthorpe市民社会(英国) |
| WECS | FM-90.1, Hartford, Connecticut | FM-90.1，康涅狄格州哈特福德 |
| WECS | Workshop on Electromagnetic Crystal Structures | 电磁晶体结构研讨会 |