DJJ
| Acronym | Definition |
|---|---|
| DJJ | Department of Juvenile Justice |
| DJJ | Division of Juvenile Justice |
| DJJ | David J. Joseph Company |
| DJJ | Deutsche Justiz-Jugend (German: German Youth Justice) |
| DJJ | Duodenojejunal Junction (anatomy) |
| DJJ | De Jonge Journalist (Dutch: The Young Journalist; online newspaper; Netherlands) |