# NPA

NPA may refer to:

## Organizations and companies
### Companies

* National Prescription Administrators, a former pharmaceutical company in the United States
* Network Printing Alliance, a group of printer manufacturers
* Northern Pacific Airways, a US low-cost airline

### Associations

* National Parks Association (disambiguation)
* National Pasta Association, an association for the United States pasta industry
* National Pawnbrokers Association, an American-based trade association
* National Pharmacy Association, a trade association in the UK
* National Ploughing Association, organises the National Ploughing Championships in Ireland
* National Police Association, an association to support police
* National Postdoctoral Association, an organization for postdoctoral researchers in the United States
* Network Professional Association, an advocate for the international network computing professional in the United States

### Other organizations

* National People's Action, a community organizing network in the United States
* National Physicians Alliance, a multi-specialty medical organization in the United States
* Natural Philosophy Alliance, a group that believes mainstream physics and cosmology are wrong
* Norwegian People's Aid, a non-governmental labour and humanitarian organization in Norway

## Government and politics

* National Pacification Army, Chinese anti-Kuomintang warlord army formed in 1926
* National park authority, a term used in the United Kingdom for the legal body in charge of a national park
* National Party of Australia, an Australian political party
* National People's Ambassadors, a South African political party
* National People's Army, the armed forces of the former German Democratic Republic (GDR)
* Sardar Vallabhbhai Patel National Police Academy, Indian national institute for training of Indian Police Service (IPS) officers
* National Police Agency (disambiguation)
* National Port Authority, Liberia
* National Production Authority, a former agency of the United States government for defense mobilization from 1950 to 1953
* National Prosecuting Authority, a governing body of the Republic of South Africa
* New Anticapitalist Party (Nouveau Parti Anticapitaliste), a far-left French political party
* New People's Army, armed wing of the Communist Party of the Philippines
* Nigerian Ports Authority, a government agency that governs and operates the ports of Nigeria
* No party affiliation (disambiguation), a voter or politician who is not affiliated with any political party
* Non-Party Affiliate, a politician who is not affiliated with any political party
* Non-Partisan Association, a civic political party in Vancouver, British Columbia
* Note Printing Australia, a subsidiary of the Reserve Bank of Australia
* Transnet National Ports Authority of South Africa
* NPA Satellite Mapping, a UK remote sensing company

## Law

* Non-Prosecution Agreement, a way to avoid prosecution (similar to a Deferred Prosecution Agreement)

## Science and medicine

* N-Propyl-L-arginine, a chemical substance
* Nitropropionic acid
* 1-N-Naphthylphthalamic acid, an auxin plant hormone transport inhibitor
* Nanopascal (nPa), a unit of pressure
* Nasopharyngeal airway, a tube that is designed to be inserted into the nasal passageway
* Niemann–Pick disease type A, a genetic disorder

## Miscellaneous

* Naval Air Station Pensacola (airport code), Pensacola, Florida, United States
* .NET Persistence API, also known as NPersistence
* Non-performing asset, banking term for loans in jeopardy of default, ones that have not paid principal or interest for 90+ days
* Northcoast Preparatory and Performing Arts Academy, a high school in Arcata, California, United States
* Northland Preparatory Academy, a middle and high school in Flagstaff, Arizona, United States
* Numbering Plan Area, a geographic area assigned a three-digit area code in the North American Numbering Plan (NANP)
* Neutral Paralympic Athletes; see Neutral Paralympic Athletes at the 2018 Winter Paralympics and Neutral Paralympic Athletes at the 2024 Summer Paralympics