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