| Acronym | Meaning |
| NPC | National Postgraduate Committee - National Provincial Championship (New Zealand Rugby Competition) - Navigation Planning Chart - Non-Player Character (role-playing Games) |
| NU | Nicaragua (FIPS 10-4 Country Code) - Niue (ISO 3166 Digram) - Nunavut (postal Symbol) |
| AY | Aymara Language (ISO 639-1 Code) |
| YO | Yoruba Language (ISO 639-1 Code) |
| SAU | Saudi Arabia (ISO 3166 Trigram) |
| FRCP | Federal Rules Of Civil Procedure |
| FEZ | Fighter Engagement Zone |
| SYP | Syrian Pound (ISO 4217 Currency Code) |
| DIA | U.S. Defense Intelligence Agency |
| MV | Maldives (FIPS 10-4 Country Code; ISO 3166 Digram) - Megavolt -Motor Vehicle - Motor Vessel |