| Abbreviation | Definition |
|---|---|
| NBI | National Bureau of Investigation…investigation |
| NBK | Notorious Band of Killers |
| NBLC | Nabi Buksh Law Concer |
| NBLC | National Business Law Community |
| NBLC | New Beginnings Law Center |
| NBLO | New Balkans Law Office |
| NBR | National Benefit Resources |
| NBR | National Bike Registry |
| NBS | National Broadcasting System |
| NBT | Non-Billable Time |
| NBU | No Behavior Unknown |
| NBW | Non Bailable Warrants |
| NC | Neighborhood Crips |
| NC | No Clue |
| NC | Nolo Contendere |
| NC | Non Client |
| NC | Non Consensual |
| NC | Non Consent |
| NC | Non Cooperative |
| NC | North Carolina |