| COSP | Commencement of Sea Passage | 海上通道开始 |
| COSP | Customer-Owned Outside Plant | 客户拥有的外部工厂 |
| COSP | Centre d'Orientation Scolaire et Professionnelle et de Psychologie Scolaire (Switzerland) | Professionnelle等'Orientation中心是d·Psychologie等是(瑞士) |
| COSP | Consumer Operated Service Program | 消费者运营服务计划 |
| COSP | Cost Of Services Provided | 提供服务的成本 |
| COSP | Consumer Operated Service Project | 消费者运营服务项目 |
| COSP | Community for Open Source Promotion | 开源推广社区 |
| COSP | Connection-Oriented Session Protocol | 面向连接的会话协议 |
| COSP | Canadian Oil Substitution Program | 加拿大石油替代计划 |
| COSP | Commander, Oceanographic Systems, Pacific | 太平洋海洋系统司令 |
| COSP | Continued Operational Safety Program (aviation) | 持续运行安全计划(航空) |
| COSP | Certified Ogone Solution Provider | 认证Ogone解决方案提供商 |
| COSP | Code of Standard Practice (AISC) | 标准实施规范(AISC) |