JCJ
| Acronym | Definition |
|---|---|
| JCJ | Japan Congress of Journalists |
| JCJ | Journal of Criminal Justice (est. 1973) |
| JCJ | Jimny Club of Japan (Hamamatsu City, Japan) |
| JCJ | Juvenile Community Justice (Oregon and Michigan) |
| JCJ | Jet City Jumpers (flyball club; est. 1997; Seattle, WA) |
| JCJ | Joint Convention Jakarta (Jakarta, Indonesia) |