| Acronym | Definition |
|---|
| NPA | Numbering Plan Area (telephony, the so-called Area Code) |
| NPA | Newspaper Publishers Association |
| NPA | Nouveau Parti Anticapitaliste (French political party) |
| NPA | New People's Army (Philippines) |
| NPA | Norwegian People's Aid |
| NPA | Non Performing Assets |
| NPA | Network Professional Association (self-regulating, non-profit association of network computing professionals) |
| NPA | Non Partisan Association (political party) |
| NPA | National Pediculosis Association |
| NPA | Notice of Proposed Amendment |
| NPA | National Parking Association |
| NPA | National Pharmaceutical Association |
| NPA | National Ports Authority |
| NPA | Normal Pension Age |
| NPA | Non-Precision Approach |
| NPA | National Pasta Association (Washington, DC) |
| NPA | Nulle Part Ailleurs |
| NPA | National Personnel Associates (Grand Rapids, MI) |
| NPA | Non Precision Approaches (aviation) |
| NPA | National Pigeon Association |
| NPA | National Policy Association |
| NPA | National Prescription Audit |
| NPA | Not Paying Attention |
| NPA | National Perinatal Association |
| NPA | National Particleboard Association (Gaithersburg, MD) |
| NPA | Northwest Perennial Alliance (nonprofit gardening organizations in Washington state) |
| NPA | National Paperbox Association |
| NPA | Numéro Postal d'Acheminement (French: Postal Code, Switzerland) |
| NPA | Nationwide Programmatic Agreement (FCC) |
| NPA | New Product Announcement |
| NPA | Northern Pipeline Agency (Canada) |
| NPA | National Production Authority (USA) |
| NPA | Never Paint Again (UK) |
| NPA | Notification of Personnel Action (US Army) |
| NPA | Network Printing Alliance |
| NPA | New Pioneers Awards |
| NPA | National Paralegal Association |
| NPA | National Pilots Association |
| NPA | No Permanent Address |
| NPA | Nordic Planetarium Association |
| NPA | National Pathways Association |
| NPA | Notional Principal Amount |
| NPA | Notice of Proposed Assessment |
| NPA | Nanopyramid Array |
| NPA | National Parenting Association |
| NPA | New Product Approval |
| NPA | Net Pay Advice |
| NPA | Northern Prospectors Association (Canada) |
| NPA | Near Point of Accommodation (ophthalmology) |
| NPA | Naval Air Station Pensacola, FL (ICAO Airport Code) |
| NPA | Network Planning Area |
| NPA | No Police Action |
| NPA | Network Provider Access |
| NPA | National Patent Association |
| NPA | Nuclear Physics Apparatus |
| NPA | Naso Pharyngeal Airway |
| NPA | National Prostate Association |
| NPA | National Phreaks Association |
| NPA | National Pharmacopoeia Authorities (WHO) |
| NPA | Network Programmers Association |
| NPA | New Product Application |
| NPA | NATO Participation Act of 1994 |
| NPA | Net Punting Average (football) |
| NPA | Normal Production Allowance |
| NPA | NEPO-PA - North Eastern Probe Owners, Pennsylvania Chapter |
| NPA | Nut Processors Association |
| NPA | Network Program Analysis |
| NPA | Network Project Area |
| NPA | None Portable Apparatus |
| NPA | Non Published Area |
| NPA | Northwest Pharmacists Association |
| NPA | National Procrastinators Association |
| NPA | Non Personal Account (banking) |