| Abbreviation | Definition |
|---|---|
| NSCLC | National Senior Citizens Law Center |
| NSEA | National Standards Enforcement Agency |
| NSK | No Self Kontrol |
| NSL | Nashville School of Law |
| NSLR | National Security Law Report |
| NSLR | National Security Law Reporters |
| NSML | Nevadans for Sensible Marijuana Laws |
| NSND | Non Smoking Non Drinking |
| NSOR | National Sex Offender Registry |
| NSR | Never Seems Right |
| NSRL | National Software Reference Library |
| NSSC | Nova Scotia Supreme Court |
| NSSP | Non-Settlement Sponsorship Participant |
| NSWLR | New South Wales Law Reports |
| NT | Not Trustworthy |
| NTA | National Thug Association |
| NTA | Ninja-Type Assassin |
| NTAN | National Traffic Attorney Network |
| NTAW | Not Guilty - Adjudication Withheld |
| NTC | Not True Children |