Pa, pa, PA, P.A. or pA may refer to:

Businesses and organisations

Government and military

Palestinian National Authority The Palestinian National Authority (PA or PNA; ar, السلطة الوطنية الفلسطينية '), commonly known as the Palestinian Authority and officially the State of Palestine,

, also called Palestinian Authority, interim governing body of the Gaza Strip and part of the West Bank *

Pakistan Army The Pakistan Army (, ) is the Army, land service branch of the Pakistan Armed Forces. The roots of its modern existence trace back to the British Indian Army that ceased to exist following the partition of India, Partition of British India, wh ...

People's Association (Singapore) The People's Association (PA) is a statutory board under the Ministry of Culture, Community and Youth (MCCY) of the Government of Singapore that oversees neighbourhood grassroots communities and social organisations. Established in 1960, it wa ...

, a Singaporean grassroots statutory board *

Philippine Army The Philippine Army (PA) (Tagalog: ''Hukbong Katihan ng Pilipinas''; in literal English: ''Army of the Ground of the Philippines''; in literal Spanish: ''Ejército de la Tierra de la Filipinas'') is the main, oldest and largest branch of the ...

Patrulla Águila (Spanish for "Eagle Patrol"), formed 4 July 1985, is the aerobatic demonstration team of the Spanish Air and Space Force. It is based at San Javier Air Base at the location of the academy of officers of the Spanish Air and Space Force, near Mar ...

Planning Authority A local planning authority (LPA) is the local government body that is empowered by law to exercise urban planning functions for a particular area. They exist in the United Kingdom and India. United Kingdom Mineral planning authorities The role ...

, a government agency of Malta

Airlines

Pan American World Airways Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was an American airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States ...

, IATA airline designator PA (to 1991) *

Florida Coastal Airlines Florida Coastal Airlines (FCA) was an airline based in Fort Lauderdale, Florida, USA. It operated services between Florida and the Bahamas, Cuba, and Haiti. History The airline was formed in 1995, operating with Cessna 402C aircraft. In 2006 ...

, IATA airline designator PA (1995–2010) *

Airblue Airblue Limited (stylized as airblue) is a private Pakistani airline with its head office on the 12th floor of the Islamabad Stock Exchange (ISE) Towers in Islamabad, Pakistan. Airblue operates scheduled domestic and international flights, the ...

, IATA airline designator PA (from 2003)

Other

Progressive Alliance The Progressive Alliance (PA) is a political international of social democratic and progressive political parties and organisations founded on 22 May 2013 in Leipzig, Germany. The alliance was formed as an alternative to the existing Socia ...

, a political international of social-democratic, socialist and progressive political parties and organisations *

Professional association A professional association (also called a professional body, professional organization, or professional society) usually seeks to advocacy, further a particular profession, the interests of individuals and organisations engaged in that professio ...

, a type of business organization *

PA Consulting Group PA Consulting Group (formerly Personnel Administration) is a professional services firm that works with public, private and third-sector organisations. It was founded in 1943 by Ernest E. Butten, Tom H. Kirkham and Dr David Seymour, who used a n ...

PA Media PA Media (formerly the Press Association) is a multimedia news agency, and the national news agency of the United Kingdom and Ireland. It is part of PA Media Group Limited, a private company with 26 shareholders, most of whom are national and re ...

, a news agency in the UK and Ireland, formerly the Press Association *

Produttori Associati Produttori Associati was an Italian independent record label created in 1970 by Antonio Casetta, when Bluebell Records, Mini Rec, and Belldisc of the Belldisc S.p.A. group, fused. The label was active until 1977. The company also owned Pausa ...

, an Italian record label

Linguistics

Pa (cuneiform) The cuneiform pa sign, (as Sumerogram, PA), has many uses in both the 14th century BC Amarna letters and the ''Epic of Gilgamesh''. It is routinely and commonly used to spell the Akkadian language word "pānu", ''face, presence'', and with ...

, a cuneiform sign * Pa (Javanese) (ꦥ), a letter in the Javanese script *

Punjabi language Punjabi (; ; , ), sometimes spelled Panjabi, is an Indo-Aryan language of the Punjab region of Pakistan and India. It has approximately 113 million native speakers. Punjabi is the most widely-spoken first language in Pakistan, with 80.5 m ...

(ISO 639-1 language code pa) * Abbreviation for several languages, including: ** Proto-Afro-Asiatic **

Proto-Algic Proto-Algic (sometimes abbreviated PAc) is the proto-language from which the Algic languages (Wiyot language, Yurok language, and Proto-Algonquian) are descended. It is estimated to have been spoken about 7,000 years ago somewhere in the America ...

Proto-Algonquian Proto-Algonquian (commonly abbreviated PA) is the proto-language from which the various Algonquian languages are descended. It is generally estimated to have been spoken around 2,500 to 3,000 years ago, but there is less agreement on where it was ...

Proto-Altaic The Proto-Altaic language is a hypothetical extinct language that has been proposed as the common ancestor of the disputed Altaic languages. In the 18th century, some similarities between the Turkic, Mongolian, and Tungusic languages led to the ...

Proto-Athabaskan Proto-Athabaskan is the reconstructed ancestor of the Athabaskan languages. Phonology The reconstruction of Proto-Athabaskan phonology is still under active debate. This section attempts to summarize the less controversial parts of the Proto-At ...

Proto-Austronesian Proto-Austronesian (commonly abbreviated as PAN or PAn) is a proto-language. It is the reconstructed ancestor of the Austronesian languages, one of the world's major language families. Proto-Austronesian is assumed to have begun to diversify ...

Places

Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...

(ISO country code PA) *

Pará Pará is a Federative units of Brazil, state of Brazil, located in northern Brazil and traversed by the lower Amazon River. It borders the Brazilian states of Amapá, Maranhão, Tocantins (state), Tocantins, Mato Grosso, Amazonas (Brazilian state) ...

, Brazil (ISO 3166-2:BR) *

Pâ Pâ is a town in the Pâ Department of Balé Province in south-western Burkina Faso Burkina Faso (, ; , ff, 𞤄𞤵𞤪𞤳𞤭𞤲𞤢 𞤊𞤢𞤧𞤮, italic=no) is a landlocked country in West Africa with an area of , bordered by Mali ...

, a town in Burkina Faso *

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

, US (postal abbreviation PA) *

PA postcode area The PA postcode area, also known as the Paisley postcode area, is a group of 67 postcode districts in western Scotland, within 35 post towns. These cover Renfrewshire (including Paisley, Renfrew, Johnstone, Bishopton, Erskine, Bridge of Weir ...

, Scotland *

Prince Albert, Saskatchewan Prince Albert is the third-largest city in Saskatchewan, Canada, after Saskatoon and Regina. It is situated near the centre of the province on the banks of the North Saskatchewan River. The city is known as the "Gateway to the North" because ...

, Canada

Job titles

Parliamentary assistant In UK politics, a parliamentary assistant is an unelected partisan member of staff employed by a Member of Parliament (MP) to assist them with their parliamentary duties. Parliamentary assistants usually work at the House of Commons in the ...

(UK politics) *

Personal assistant A personal assistant, also referred to as personal aide (PA) or personal secretary (PS), is a job title describing a person who assists a specific person with their daily business or personal task,. it is a sub-specialty of secretarial duties ...

* Physician assistant or physician associate *

Production assistant A production assistant, also known as a PA, is a member of the film crew and is a job title used in filmmaking and television for a person responsible for various aspects of a production. The job of a PA can vary greatly depending on the budget ...

, a title in the film industry *

Project architect In architecture, a project architect (PA) is the individual who is responsible for overseeing the architectural aspects of the development of a design, production of the construction documents ( plans), and specifications. The position generally ...

Prosecuting attorney A prosecutor is a legal representative of the prosecution in states with either the common law adversarial system or the civil law inquisitorial system. The prosecution is the legal party responsible for presenting the case in a criminal tria ...

, title of prosecutors in some US state courts and smaller jurisdictions *

Protonotary Apostolic In the Roman Catholic Church, protonotary apostolic (PA; Latin: ''protonotarius apostolicus'') is the title for a member of the highest non-episcopal college of prelates in the Roman Curia or, outside Rome, an honorary prelate on whom the pop ...

, the highest ranking non-episcopal honorific title for Roman Catholic clergy * Public Accountant, a professional qualification in the US

Science and technology

.pa .pa is the Internet country code top-level domain (ccTLD) for Panama. It was first registered in 1994-05-25. It is administered by NIC Panamá, which is run by the Universidad Tecnologica de Panama. Because "PA" is also the postal code for the ...

, top-level domain for Panama *

ALCO PA The ALCO PA was a family of A1A-A1A diesel locomotives built to haul passenger trains. The locomotives were built in Schenectady, New York, in the United States, by a partnership of the American Locomotive Company (ALCO) and General Electric (GE ...

, a railroad locomotive *

Parental alienation Parental alienation is a theorized process through which a child becomes estranged from one parent as the result of the psychological manipulation of another parent. The child's estrangement may manifest itself as fear, disrespect or hostility tow ...

, in psychology *

Pascal (unit) The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI), and is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is defined a ...

, the SI unit of pressure *

Peano axioms In mathematical logic, the Peano axioms, also known as the Dedekind–Peano axioms or the Peano postulates, are axioms for the natural numbers presented by the 19th century Italian mathematician Giuseppe Peano. These axioms have been used nearly ...

, a set of axioms for the natural numbers *

Peptide amphiphile Peptide amphiphiles (PAs) are peptide-based molecules that self-assemble into supramolecular nanostructures including; spherical micelles, twisted ribbons, and high-aspect-ratio nanofibers. A peptide amphiphile typically comprises a hydrophilic pe ...

, a type of self-assembling peptide *

Picoamp The ampere (, ; symbol: A), often shortened to amp,SI supports only the use of symbols and deprecates the use of abbreviations for units. is the unit of electric current in the International System of Units (SI). One ampere is equal to ele ...

(pA), one trillionth of an ampere *

Polyacrylamide Polyacrylamide (abbreviated as PAM) is a polymer with the formula (-CH2CHCONH2-). It has a linear-chain structure. PAM is highly water-absorbent, forming a soft gel when hydrated. In 2008, an estimated 750,000,000 kg were produced, mainly f ...

, a gel-forming polymer *

Polyamide A polyamide is a polymer with repeating units linked by amide bonds. Polyamides occur both naturally and artificially. Examples of naturally occurring polyamides are proteins, such as wool and silk. Artificially made polyamides can be made through ...

, a family of synthetic materials used in fabrics *

Predictive analytics Predictive analytics encompasses a variety of statistical techniques from data mining, predictive modeling, and machine learning that analyze current and historical facts to make predictions about future or otherwise unknown events. In busine ...

, analyzes current and historical facts to make predictions about future or otherwise unknown events *

Protactinium Protactinium (formerly protoactinium) is a chemical element with the symbol Pa and atomic number 91. It is a dense, silvery-gray actinide metal which readily reacts with oxygen, water vapor and inorganic acids. It forms various chemical compounds ...

, symbol Pa, a chemical element *

Provider-aggregatable address space Provider-aggregatable address space (PA) is a block of IP addresses assigned by a regional Internet registry to an Internet service provider which can be aggregated into a single route advertisement for improved Internet routing efficiency. Unlik ...

, a system of allocation of internet addresses *

Public address system A public address system (or PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume (loudness) of a human voice, musical instrument, or other acoustic sound sou ...

(PA system or simply PA), for making public announcements *

Pernicious anemia Pernicious anemia is a type of vitamin B12 deficiency anemia, a disease in which not enough red blood cells are produced due to the malabsorption of vitamin B12. Malabsorption in pernicious anemia results from the lack or loss of intrinsic fa ...

, anemia that results from lack of intrinsic factor *

Primary aldosteronism Primary aldosteronism (PA)'','' also known as primary hyperaldosteronism or Conn's syndrome, refers to the excess production of the hormone aldosterone from the adrenal glands, resulting in low renin levels and high blood pressure. This abnormalit ...

, excess production of the hormone aldosterone from the adrenal glands

Private schools

Phillips Academy Andover ("Not for Self") la, Finis Origine Pendet ("The End Depends Upon the Beginning") Youth From Every Quarter Knowledge and Goodness , address = 180 Main Street , city = Andover , state = Ma ...

, a private secondary school in Massachusetts, United States, often referred to as ''Phillips Andover'' or ''PA'' *

Portsmouth Abbey School Portsmouth Abbey School is a coeducational Benedictine boarding and day school for students in grades 9 to 12. Founded in 1926 by the English Benedictine community, the School is located on a 525-acre campus along Rhode Island's Narragansett Bay. ...

, a private secondary school in Rhode Island, United States *

Pulaski Academy Pulaski Academy (PA) is a private, independent college preparatory preschool, elementary, and junior/senior high school headed by Brock Dunn in the Pleasant Valley neighborhood of Little Rock, Arkansas, United States. PA was established in 197 ...

, a private school in Little Rock, Arkansas, United States

People

* Pa, an affectionate term for

father A father is the male parent of a child. Besides the paternal bonds of a father to his children, the father may have a parental, legal, and social relationship with the child that carries with it certain rights and obligations. An adoptive fathe ...

Pa (name) Pa is a masculine given name, a nickname and a surname. It may refer to: * Edwin "Pa" Watson (1883–1945), United States Army major general, friend and a senior aide to President Franklin D. Roosevelt * Pa Dibba (born 1987), Gambian footballer * ...

, a list of people with the given name, nickname or surname * Pa Drengen Changchop Simpa, a mythical ancestor of the Tibetan people

Other uses

* PA, a series of

paper sizes Paper size standards govern the size of sheets of paper used as writing paper, stationery, cards, and for some printed documents. The ISO 216 standard, which includes the commonly used A4 size, is the international standard for paper size ...

* Pā, a type of fortified Māori village * P.A. (group), a southern hip hop trio in Atlanta, Georgia, United States * '' Penny Arcade'', a video game webcomic * Performance appraisal, for evaluating an employee's job performance *

Plate appearance In baseball statistics, a player is credited with a plate appearance (denoted by PA) each time he completes a turn batting. Under Rule 5.04(c) of the Official Baseball Rules, a player completes a turn batting when he is put out or becomes a runner ...

, a statistic in baseball *

Prince Albert (genital piercing) The Prince Albert (PA) is one of the most common male genital piercings.Gage, Simon; Richards, Lisa; Wilmot, Howard; and Boy George (2002). Queer', p. 159. Da Capo Press, The PA is "a ring-style piercing that extends along the underside of the ...

, a form of male genital piercing *

Public bill Proposed bills are often categorized into public bills and private bills. A public bill is a proposed law which would apply to everyone within its jurisdiction. This is unlike a private bill which is a proposal for a law affecting only a single p ...

, also known as a Public Act, in law * ''

Planetary Annihilation ''Planetary Annihilation'' is a real-time strategy PC game originally developed by Uber Entertainment, whose staff included several video game industry veterans who worked on ''Total Annihilation'' and '' Supreme Commander''. The game was relea ...

'', video game, or its successor ''Planetary Annihilation: Titans''