| Abbreviation | Definition |
|---|---|
| NFSAO | Not Filed by State Attorney's Office |
| NGLD | Next Generation Lawyers Division |
| NGOC | Not Guilty Of Charges |
| NGRI | Not Guilty by Reason of Insanity |
| NHDA | Nursing Home Diversion Act |
| NHDOC | New Hampshire Department Of Corrections |
| NHP | Nevada Highway Patrol |
| NHPA | National Historic Preservation Act |
| NHRA | Nursing Home Reform Act |
| NHRIS | National Human Rights Institutions |
| NHSSCA | National Health Service and Social Care Act |
| NI | No Issue |
| NIA | National Investigation Agency |
| NIA | Non Injury Accident |
| NIBRS | National Incident Based Reporting System |
| NIC | Name Information Center |
| NICB | National Insurance Crime Bureau |
| NICBC | National Instant Criminal Background Check |
| NICN | National Industrial Court of Nigeria |
| NICS | National Instant Check System |