DDEC
| Acronym | Definition |
|---|---|
| DDEC | Direction Départementale de l'Equipement des Collèges (French: Provincial Directorate of College Equipment) |
| DDEC | Direction Diocésaine de l'Enseignement Catholique (French: Diocesan Catholic Education Directorate) |
| DDEC | Detroit Diesel Electronic Controls |
| DDEC | Digital Direction Electronics Co. (South Korea) |