| CPOS | Central Pennsylvania Orchid Society | 宾夕法尼亚州中部兰花协会 |
| CPOS | Communications Processor Operating System | 通信处理器操作系统 |
| CPOS | Centre de Psychologie et d'Orientation Scolaires (Luxembourg) | 'Orientation d·Psychologie等中心Scolaires(卢森堡) |
| CPOS | Civilian Personnel Occupational Standards | 文职人员职业标准 |
| CPOS | Center for Polymers and Organic Solids | 聚合物和有机固体中心 |
| CPOS | Center for Police Organizational Studies | 警察组织研究中心 |
| CPOS | Corporate Travel Services | 企业旅行服务 |
| CPOS | Car PC Operating System | 车载PC操作系统 |