| Abbreviation | Definition |
|---|---|
| DCPS | Dorchester Center Postal Station |
| DCPW | Douglas County Public Works Department |
| DCR | Design Change Request |
| DCRC | Delaware City Refining Corporation |
| DCSO | Davidson County Sheriff's Office |
| DCT | Death Certificate Transcription |
| DCWASA | District of Columbia Water and Sewer Authority |
| DCWC | Durham County Wildlife Club |
| DD | Drainage Division (N.I.) |
| DDA | Developmental Disabilities Administration |
| DDA | Downtown Development Authority |
| DDAA | Development District Association of Appalachia |
| DDCMP | Developmental Disabilities Case Management Project |
| DDD | Division Of Developmental Disability |
| DDO | District Development Officer |
| DDSB | Durham District School Board |
| DDSN | Department of Disabilities and Special Needs |
| DDU | Disability Determination Unit |
| DDV | Direct Delivery Voucher |
| DEA | Department of Economic Affairs |