| 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 |