| Acronym | Definition |
|---|
| CDSE | Club des Directeurs de Sécurité des Entreprises (French: Security Companies Directors Club) |
| CDSE | Cadmium Selenide |
| CDSE | Combined Defence Services Examination (Indian Armed Forces) |
| CDSE | Community Development and Support Expenditure (New South Wales, Australia) |
| CDSE | Career Development and Student Employment (University of Hawaii) |
| CDSE | Community Development South East (UK) |
| CDSE | Child Development Special Education (university curriculum; various locations) |
| CDSE | Cryptologic Direct Support Element |