NCJ
| Acronym | Definition |
|---|---|
| NCJ | National Criminal Justice |
| NCJ | National Contest Journal |
| NCJ | Net Chart Japan, Inc. (Internet Initiative Japan, Inc.) |
| NCJ | North Carolina Journal (North Carolina Alliance for Athletics, Health, Physical Education, Recreation and Dance) |
| NCJ | New Columbia Joist Co. |
| NCJ | National Council of Justice |
| NCJ | National College, Jayanagar (India) |