| DTOS | Distributed Trusted Operating System | 分布式可信操作系统 |
| DTOS | Deployable Tactical Operating System (USACE) | 可部署战术操作系统（USACE） |
| DTOS | Digital Technical Order System | 数字技术订单系统 |
| DTOS | Division Tactical Operations System | 师战术作战系统 |
| DTOS | Dedicated Technician on Site | 现场专用技术人员 |
| DTOS | Design to Order Service | 按订单设计服务 |