| DMSS | Dalhousie Medical Student Society 
| Others |
| DMSS | Dark Matter Summer School
| Others |
| DMSS | DARPA Management Support System
| Others |
| DMSS | Data Management Services System
| Others |
| DMSS | Data Management Supplier Support
| Others |
| DMSS | Data Management Support System
| Others |
| DMSS | Data Management System Simulator
| Others |
| DMSS | Data Mining Surveillance System
| Others |
| DMSS | Decision Making Support System
| Others |
| DMSS | Defense Medical Surveillance System
| Others |
| DMSS | Delirium Motor Subtype Scale
| Others |
| DMSS | Delirium Motor Subtyping Scale
| Others |
| DMSS | Depot Maintenance Standard Systems
| Others |
| DMSS | Digital Marketing Skill Share
| Others |
| DMSS | Digital Mass Storage Systems
| Others |
| DMSS | Digital Minds Software Solutions
| Others |
| DMSS | Digital Mobile Surveillance System
| Others |
| DMSS | Directorate of Maritime Ship Support
| Others |
| DMSS | Disaster Management Summer School
| Others |
| DMSS | Distributed Mass Storage System
| Others |
| DMSS | Diversity and Multicultural Student Services
| Others |
| DMSS | Division of Management Support Services
| Others |
| DMSS | Division of Municipal Supply Services
| Others |
| DMSS | Document Management System Software
| Others |
| DMSS | Dual Modulation Spectrum System
| Others |
| DMSS | Dual Modulation Spread Spectrum
| Others |
| DMSS | Durbar Mahila Sammanayee Samiti (Forum for Coordination of Unstoppable Women)
| Others |
| DMSS | Dysphagia Management Staging Scale
| Others |