| Acronym | Definition |
|---|
| DSEM➣Direction du Support et de la Maintenance (French: Directorate of Support and Maintenance) |
| DSEM➣Demand Side Energy Management |
| DSEM➣Defense Systems Engineering Method |
| DSEM➣Diplôme Supérieur d'Étude des Matériaux (French: Advanced Diploma in Materials Study) |
| DSEM➣Distinguished Service to Essex Masonry (UK) |