NPO may refer to:

Medicine

* ''

Nil per os Nothing by mouth is a medical instruction meaning to withhold food and fluids. It is also known as nil per os (npo or NPO), a Latin phrase that translates to English as "nothing through the mouth". Variants include nil by mouth (NBM), nihil/non/nu ...

'', Latin for "nothing by mouth", a medical instruction to withhold oral intake of food and fluids * neurogenic

pulmonary oedema Pulmonary edema, also known as pulmonary congestion, is excessive liquid accumulation in the tissue and air spaces (usually alveoli) of the lungs. It leads to impaired gas exchange and may cause hypoxemia and respiratory failure. It is due to ...

Science

North Pacific Oscillation The North Pacific Oscillation (NPO) is a teleconnection pattern first described by Walker and Bliss and characterized by a north–south seesaw in sea-level pressure over the North Pacific Ocean. Rogers, using surface atmospheric temperature from ...

, a teleconnection pattern in atmospheric conditions over the North Pacific * NP

optimization problem In mathematics, computer science and economics, an optimization problem is the problem of finding the ''best'' solution from all feasible solutions. Optimization problems can be divided into two categories, depending on whether the variables ...

, an optimization problem that is NP-hard

Organisations

Nonprofit organization A nonprofit organization (NPO) or non-profit organisation, also known as a non-business entity, not-for-profit organization, or nonprofit institution, is a legal entity organized and operated for a collective, public or social benefit, in co ...

National Portfolio Organisation Arts Council England is an arm's length non-departmental public body of the Department for Digital, Culture, Media and Sport. It is also a registered charity. It was formed in 1994 when the Arts Council of Great Britain was divided into three se ...

, a UK-based culture and arts organisation receiving substantial funding from Arts Council England * National Ports Organisation, former part of the UK Department for Transport *

National Preservation Office The British Library Preservation Advisory Centre was established as the National Preservation Office by the British Library Board in 1984, and was renamed to the British Library Preservation Advisory Centre in 2009. During its existence it raise ...

, part of the British Library * Scientific Production Association (''Nauchno-Proizvodstvennoye Obyedineniye''), a form of scientific research-to-production facility in the Soviet Union and the Russian Federation. *

Nederlandse Publieke Omroep (organization) (; abbreviated to NPO ; literally "Dutch Public Broadcaster") or Dutch Foundation for Public Broadcasting () is a Dutch public broadcasting organisation that administers public broadcasting services in the Netherlands. The NPO is also the owner ...

("Netherlands Public Broadcasting"), governing body of the Netherlands (Dutch) Public Broadcasting System * ''Nederlands Publieke Omroepbestel'' ("

Dutch public broadcasting system The Dutch public broadcasting system ( nl, Nederlands publieke omroepbestel) is a group of organizations that are responsible for public service television and radio broadcasting in the Netherlands. It is composed of the Nederlandse Publieke Omroe ...

"), the public broadcasting service in the Netherlands * Netherlands Pathfinder Organisation (''Nederlandse Padvinders Organisatie''), one of the organisations that evolved into

Scouting Nederland Scouting Nederland is the national Scout organisation of the Netherlands with approximately 110,000 members (53,324 male and 54,663 female, 87,000 youth members, as of 2010. The official patron of Scouting Nederland is Queen Máxima, the wife o ...

, the national Scouting organisation * NPO UK Ltd., a chain of stationery and book shops in Northern Ireland, now part of

Eason & Son Eason Retail PLC, known as Easons or Eason, is an Irish retail company best known for selling books, stationery, cards, gifts, newspapers and magazines. Headquartered in Swords, County Dublin, it is the largest supplier of books, magazines and new ...

Other

* Nanga Pinoh Airport, by IATA code *

Pochuri language Pochuri, or Pochuri Naga, is a Naga language spoken in Nagaland, India. According to ''Ethnologue'', Pochuri is spoken in 27 villages of Meluri subdivision, Phek district, southeastern Nagaland. There are also some speakers in Ukhrul district, ...

, by ISO 639 code {{disambiguation