| Acronym | Definition |
|---|
| DSED | Disinhibited Social Engagement Disorder (psychology) |
| DSED | Département des Statistiques, des Études et de la Documentation (French: Department of Statistics, Studies and Documentation) |
| DSED | Dakota Southeastern Division (National Model Railroad Association) |
| DSED | Database for Sediment Early Diagenesis |
| DSED | Diagnostic Survey for Eating Disorders |
| DSED | Defense Sciences Engineering Division (Lawrence Livermore National Laboratory; US Department of Energy) |
| DSED | Diplôme d'Etudes Superieures de Design (French: Higher Education Design Diploma) |
| DSED | Direct Support Engineering Directorate |
| DSED | Delta Squadron Elite Dictatorship (gaming) |
| DSED | Draft Supplemental Environmental Document (California) |
| DSED | Distance of Surface Energy Density Fields |