| Acronym | Definition |
|---|
| CDEC | California Data Exchange Center |
| CDEC | Commission Départementale d'Equipement Commercial (French: Departmental Committee of Commercial Equipment) |
| CDEC | Corporation de Développement Économique Communautaire |
| CDEC | Combined Document Exploitation Center (US military during Vietnam War) |
| CDEC | Civil Defence Executive Committee (Singapore) |
| CDEC | Center for Design of Educational Computing (Carnegie Mellon) |
| CDEC | Combat Development Experimentation Command |
| CDEC | Community District Education Council |
| CDEC | Combat Developments Experimentation Center |
| CDEC | Controlling Device for Engine Control |