| CCSN | Common Channel Signaling Network | 公共信道信令网 |
| CCSN | Collaborative Computing Over Social Networking (International Conference) | 基于社交网络的协作计算（国际会议） |
| CCSN | Community College of Southern Nevada | 内华达州南部社区学院 |
| CCSN | Community College of South Nevada (Las Vegas, NV) | 南内华达社区学院（内华达州拉斯维加斯） |
| CCSN | Community College Satellite Network | 社区学院卫星网络 |
| CCSN | Cape Cod Stranding Network | 科德角搁浅网络 |
| CCSN | Coordinadora Catalana de Solidaridad con Nicaragua | 尼加拉瓜加泰罗尼亚团结协调员 |