| RCSC | Research Council on Structural Connections | 结构连接研究委员会 |
| RCSC | Red Cross Society of China | 中国红十字会 |
| RCSC | Royal Canadian Sea Cadets | 加拿大皇室海事青年团 |
| RCSC | Remote Spooling Communications Subsystem | 远程假脱机通信子系统 |
| RCSC | Rate-Constrained Source Code | 速率受限源代码 |
| RCSC | Rates and Classification Service Center (US Postal Service) | 费率和分类服务中心（美国邮政服务） |
| RCSC | rates and classification service center | 费率和分类服务中心 |