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