| Acronym | Definition |
|---|
| DSSG | Defense Science Study Group |
| DSSG | Design Synthesis and Shape Generation (UK) |
| DSSG | DISN (Defense Information Systems Network) Support Services-Global |
| DSSG | Disabled Students Stakeholder Group (Scotland, UK) |
| DSSG | Douglas Shire Sustainability Group (Australia) |
| DSSG | Distributed Storage Services Group (Indiana University) |
| DSSG | Desktop Support Services Group |
| DSSG | Defense Strategic Studies Group |
| DSSG | Depth/Sound/Speed Group |
| DSSG | Digital Soldier Simulation Group (online gaming community) |
| DSSG | Defense Systems Study Group (US DoD; Defense Advanced Research Projects Agency) |
| DSSG | Distant Sentinel Skin Graft |