| DMSS | Data Multiplexing SubSystem | 数据复用子系统 |
| DMSS | Director, Maritime Ship Support (Canadian Navy) | 海事船舶支持总监（加拿大海军） |
| DMSS | Document Management System Software | 文件管理系统软件 |
| DMSS | Depot Maintenance Standard Systems | 车辆段维护标准系统 |
| DMSS | Distributed Multimedia Software System | 分布式多媒体软件系统 |
| DMSS | Digital Mass Storage System | 数字海量存储系统 |
| DMSS | Distribution, Marketing, Sales, and Service | 分销、营销、销售和服务 |
| DMSS | Dual Mode Subscriber Software | 双模用户软件 |
| DMSS | Distributed Mass Storage System | 分布式大容量存储系统 |
| DMSS | Defense Medical Surveillance System | 国防医疗监视系统 |