| Acronym | Definition |
|---|
| NJAB➣National Joint Adjustment Board (Sheet Metal Workers' International Association) |
| NJAB➣National Jewish Archive of Broadcasting (Jewish Museum; New York, NY) |
| NJAB➣North Jersey Area Band (New Jersey) |
| NJAB➣Not Just Another Blog (blog) |
| NJAB➣National Junior Angus Board (cattle) |