| Abbreviation | Definition |
|---|---|
| DAFS | Department of Agriculture and Fisheries for Scotland |
| DAI | Deeper Accident Investigation |
| DANCO | Domestic Abuse No Contact Order |
| DAPD | Dutch American Police Department |
| DARG | Drug and Alcohol Reference Group |
| DAT | Drug Action Team |
| DAVE | Drugs And Violence Erased |
| DBDT | Dead Bodies Don't Talk |
| DBDY | Dead Body |
| DCAS | Drugs and Community Action Strategy |
| DCC | Deputy Chief Constable |
| DCFS | Department for Children and Family Services |
| DCHSUPT | Detective Chief Superintendent |
| DCI | Department of Criminal Investigations |
| DCI | Detective Chief Inspector |
| DCIT | Department of Criminal Intelligence and Technology |
| DCMS | Department for Culture, Media, and Sport |
| DCO | Deputy Commissioner of Operations |
| DCP | Deputy Chief of Police |
| DCPA | Devon and Cornwall Police Authority |