Posted in Business & Finance, Government & Military, Information Technology, Organizations, Science DCDA stands for Dichorionic Diamniotic (twin pregnancy) DCDA stands for Dehsabz City Development Authority (Afghanistan) DCDA stands for Double Check Detector Assembly DCDA stands for Dicyandiamide DCDA stands for Deborah Case Dance Academy (McAllen, TX) DCDA stands for Dorset Coast Digital Archive (England, UK) DCDA stands for Drilling Control and Data Acquisition DCDA stands for David Chang Design Associates (various locations) DCDA stands for Dorosinski Campbell Design Associates (Safety Harbor, FL) DCDA stands for Data Collectors & Data Aggregators (UK) DCDA stands for Denver Civil Defense Agency