Posted in Business & Finance, Information Technology, Organizations, Schools & Education DSEG stands for Data Segment (assembly language directive) DSEG stands for Digital Signage Experts Group DSEG stands for Defense Systems and Electronics Group DSEG stands for Dynamic Sports and Entertainment Group (Australia) DSEG stands for Disciplinary Segregation (prisons) DSEG stands for Da Silva Entreprise Générale (French general contractor) DSEG stands for Defense Systems Evaluation Group