| Abbreviation | Definition |
|---|---|
| CDCA | Chennai District Chess Association |
| CDCA | Child Day Care Association |
| CDDA | Canadian Diamond Drilling Association |
| CDDA | Canadian Disc Dog Association |
| CDEA | California Dance Education Association |
| CDEA | Central Dauphin Education Association |
| CDEA | Chicago District Evangelistic Association |
| CDEA | Conservation District Employees Association |
| CDIA | Consumer Data Industry Association |
| CDKA | Continental Deutsch Kurzhar Association |
| CDMA | Coast District Management Association |
| CDMA | Creflo Dollar Ministerial Association |
| CDNA | Campbelltown District Netball Association |
| CDNA | Chelsea District Netball Association |
| CDOA | Commonwealth of Dominica Ontario Association |
| CDPA | Central Districts Powerlifting Association |
| CDRA | Canadian Dory Racing Association |
| CDRA | Clandeboye And District Recreational Association |
| CDRA | Cobham and Downside Residents association |
| CDRA | Construction Demolition Recycling Association |