| Abbreviation | Definition |
|---|---|
| DCDR | Downpatrick and County Down Railway |
| DCDS | Dallas County Dental Society |
| DCDS | Dutchess County Dental Society |
| DCEC | Davidson County Election Commission |
| DCEC | Delaware County Electric Cooperative |
| DCEC | Dubuque County Early Childhood |
| DCEC | Dufferin County Equity Collaborative |
| DCF | Douglas County Firearms |
| DCFA | Delaware County Finance Authority |
| DCFC | Dartmouth Club of Fairfield County |
| DCFC | Derby County Football Club |
| DCFD | Daviess County Fire Department |
| DCFD | Douglas County Fire District |
| DCFY | Decatur County Feed Yard |
| DCGC | DRIVES County Governance Committee |
| DCHA | Dallas County Housing Agency |
| DCHA | Dane County Housing Authority |
| DCHA | Delaware County Historical Association |
| DCHA | Delaware County Housing Authority |
| DCHA | Douglas County Housing Authority |