| Acronym | Definition | 
|---|
| MDDC➣Mid Devon District Council (Devon, England, UK) | 
| MDDC➣Monocyte-Derived Dendritic Cell | 
| MDDC➣Maryland Developmental Disabilities Council (Baltimore, MD) | 
| MDDC➣Missile Defense Data Center | 
| MDDC➣Maryland, Delaware and the District of Columbia (geographic media network) | 
| MDDC➣Massachusetts Developmental Disabilites Council |