CJJ
| Acronym | Definition |
|---|---|
| CJJ | Coalition for Juvenile Justice (Washington, DC) |
| CJJ | Criminal Justice Journalists (Washington, DC) |
| CJJ | Center for Juvenile Justice (Maine) |
| CJJ | Carrières Judiciaires et Juridiques (French: Judicial and Legal Careers) |
| CJJ | Capital Jiu-Jitsu (martial arts; various locations) |