| DSSS | Direct Sequence Spread Spectrum | 直接序列扩频 |
| DSSS | Design Specification Summary Sheet | 设计规定汇总表 |
| DSSS | Digital Subscribers Switching Subsystem | 数字用户交换子系统 |
| DSSS | Direct Sequence Spread Spectrum (wireless networking) | 直接序列扩频（无线网络） |
| DSSS | Deep Space Surveillance Satellite | 深空监视卫星 |
| DSSS | Decoration Submission Suspense System | 装饰提交暂停系统 |
| DSSS | Defense Special Security System | 国防特别安全系统 |