| DCEC | Darwin Convention and Exhibition Centre 
| Others |
| DCEC | Davidson County Election Commission
| Others |
| DCEC | Deep Convolutional Embedded Clustering
| Others |
| DCEC | Defense Communications Engineering Center
| Others |
| DCEC | Dela Cruz English Cb
| Others |
| DCEC | Dela Cruz English Club
| Others |
| DCEC | Delaware County Electric Cooperative
| Others |
| DCEC | Deontic Cognitive Event Calculus
| Others |
| DCEC | Developmental Center for Exceptional Children
| Others |
| DCEC | Differential Cation Exchange Capacity
| Others |
| DCEC | Direction cantonale de l'Etat Civil
| Others |
| DCEC | Directorate on Corruption and Economic Crime
| Others |
| DCEC | Diversity and Community Enhancement Committee
| Others |
| DCEC | Doniphan County Education Cooperative
| Others |
| DCEC | Door County Environmental Council
| Others |
| DCEC | Dubuque County Early Childhood
| Others |
| DCEC | Dufferin County Equity Collaborative
| Others |