| Abbreviation | Definition |
|---|---|
| DIAR | Drone Investigation Assessment and Repair |
| DIB | Disease Investigation Branch |
| DIC | Drunk In Charge |
| DICD | Drugs and International Crime Department |
| DIJE | Diversity Inclusion Justice |
| DINGO | Deep Investigation of Neutral Gas Origins |
| DIOC | Death Investigation Oversight Council |
| DIP | Debtor In Possession |
| DIP | Disciplinary Intervention Program |
| DIPLP | Diploma in Professional Legal Practice |
| DIPO | DLSU Intellectual Property Office |
| DIRT | Diary Index Of Reported Troubles |
| DIS | Direct, Immediate, and Specific |
| DISCIS | District and Municipal Court Information System |
| DISP | DUII (Driving Under the Influence of Intoxicants) Intensive Supervision Program |
| DIT | Disciplinary Intended Trial |
| DITE | Dynamic Investigation And Threat Elimination |
| DJ | Dope Junkie |
| DJD | Decepticon Justice Division |
| DJDAR | Daily Journal Daily Appellate Report |