Posted in Government & Military, Organizations, Pop Culture, Science 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)