| Acronym | Definition |
|---|
| DCDA➣Dichorionic Diamniotic (twin pregnancy) |
| DCDA➣Dehsabz City Development Authority (Afghanistan) |
| DCDA➣Double Check Detector Assembly |
| DCDA➣Dicyandiamide |
| DCDA➣Deborah Case Dance Academy (McAllen, TX) |
| DCDA➣Dorset Coast Digital Archive (England, UK) |
| DCDA➣Drilling Control and Data Acquisition |
| DCDA➣David Chang Design Associates (various locations) |
| DCDA➣Dorosinski Campbell Design Associates (Safety Harbor, FL) |
| DCDA➣Data Collectors & Data Aggregators (UK) |
| DCDA➣Denver Civil Defense Agency |