| Acronym | Definition |
|---|
| DEEC | Department of Early Education and Care (various locations) |
| DEEC | Digital Electronic Engine Control |
| DEEC | Direction de l'Environnement et des Établissements Classés (French: Directorate of Environment and Classified Establishments; Senegal) |
| DEEC | Data Engineering Issues in E-Commerce (workshop) |
| DEEC | Diplôme Européen d'Etudes Commerciales (French: European Diploma of Commercial Studies) |
| DEEC | Duty Exemption Entitlement Certificate |
| DEEC | Dealer Electronic Excellence Community |
| DEEC | Direct-Expansion Extrusion-Cooking |