| Abbreviation | Definition |
|---|---|
| CCUA | Contra Costa Umpires Association |
| CDA | California Delivery Association |
| CDA | Convenience Distribution Association |
| CDA | Copier Dealers Association |
| CDA | Creature Debate Association |
| CDAA | California Dental Assistants Association |
| CDAA | California District Attorneys Association |
| CDAA | Cave Divers Association of Australia |
| CDAA | Champlin Dayton Athletic Association |
| CDAF | California Dental Association Foundation |
| CDAS | Container Depot Association Singapore |
| CDBA | California Dragon Boat Association |
| CDBA | Canberra Dragon Boat Association |
| CDBA | Capital District Blacksmiths Association |
| CDBA | Charlotte Dragon Boat Association |
| CDBA | Chinese Dragon Boat Association |
| CDBA | Columbia Drag Boat Association |
| CDBA | Continental Divide Bar Association |
| CDBA | Criminal Defense Bar Association |
| CDCA | Capital District Counseling Association |