PPA may refer to:

Biomedical

* '' Palpatio per anum'', Latin medical term for a rectal examination *

Parahippocampal place area The parahippocampal gyrus (or hippocampal gyrus') is a grey matter cortical region of the brain that surrounds the hippocampus and is part of the limbic system. The region plays an important role in memory encoding and retrieval. It has been inv ...

located within the parahippocampal gyrus *

Phenylpropanolamine Phenylpropanolamine (PPA) is a sympathomimetic agent which is used as a decongestant and appetite suppressant. It was commonly used in prescription and over-the-counter cough and cold preparations. In veterinary medicine, it is used to contro ...

Primary progressive aphasia Primary progressive aphasia (PPA) is a type of neurological syndrome in which language capabilities slowly and progressively become impaired. As with other types of aphasia, the symptoms that accompany PPA depend on what parts of the left hemisphe ...

Organizations

Pakistan Pharmacists Association Founded by Dr. Naim Anwar Muzzafar, the Pakistan Pharmacists Association (PPA) is the national professional body of pharmacists and pharmacy students in Pakistan. It has a mission to promote and expand the profession of pharmacy and the role of ph ...

Palau Pacific Airways Palau Pacific Airways (PPA) was a charter airline from Palau. History The airline launched scheduled charter flights between Hong Kong and its base Koror on 7 November 2014. It is often confused with Palau Airways although they are not assoc ...

* ', the Algerian People's Party in French *

Paraguayan People's Army The Paraguayan People's Army ( es, Ejército del Pueblo Paraguayo, EPP) is a Marxist-Leninist guerrilla group that officially operates in Paraguay since March 1, 2008, although its antecedents go back as far back as the decade 1990, acting at t ...

, a group considered a terrorist organization by the Paraguayan state *

Philadelphia Parking Authority The Philadelphia Parking Authority (PPA) is an agency of the Commonwealth of Pennsylvania that manages many parking operations for Philadelphia. The PPA was created by the Philadelphia City Council on January 11, 1950, for the purpose of condu ...

, a parking agency in Philadelphia, PA, USA *

Philippine Ports Authority Philippine Ports Authority ( fil, Pangasiwaan ng Daungan ng Pilipinas) is a government-owned and controlled corporation under the Department of Transportation as an attached agency. It is responsible for financing, management and operations ...

* The stock symbol of

Piraeus Port Authority The Port of Piraeus ( el, Λιμάνι του Πειραιά) is the chief sea port of Athens, Greece, located on the Saronic Gulf on the western coasts of the Aegean Sea, the largest port in Greece and one of the largest in Europe. The Chinese ...

* Pictorial Photographers of America, founded by

Clarence Hudson White Clarence Hudson White (April 8, 1871 – July 8, 1925) was an American photographer, teacher and a founding member of the Photo-Secession movement. He grew up in small towns in Ohio, where his primary influences were his family and the social li ...

with several others in 1916 *

Poker Players Alliance The Poker Players Alliance (PPA) is an American nonprofit Interest group formed to emphasize the rights of poker players, and to protect the players' liberties." The PPA formed to serve as an advocacy group to Washington to establish rights and p ...

, a USA advocacy/lobbying group *

Popski's Private Army Popski's Private Army, officially No. 1 Demolition Squadron, PPA, was a unit of British Special Forces set up in Cairo in October 1942 by Major Vladimir Peniakoff. Popski's Private Army was one of several raiding units formed in the Western Dese ...

, a small World War II Special Forces unit of the British 8th Army *

Pre-School Playgroups Association The Pre-school Learning Alliance (PLA) is an early-years educational Charitable organization, registered charity and a voluntary sector provider of childcare for young children in England. Introduction The Pre-school Learning Alliance (the Alli ...

, UK organization later named the Pre-school Learning Alliance *

Professional Pickleball Association Pickleball is an indoor or outdoor racket/paddle sport where two players (singles), or four players (doubles), hit a perforated hollow polymer ball over a net using solid-faced paddles. Opponents on either side of the net hit the ball back and ...

Professional Photographers of America Professional Photographers of America (PPA) is a nonprofit trade association of professional photographers. As of August 2022, PPA has 34,000 members. History 19th century The association began in December 1868 as the National Photographic Ass ...

Professional Publishers Association The Professional Publishers Association (PPA), formerly known as the Periodical Publishers Association until 2011, is the main publishing industry body which promotes companies involved in the production of media, supporting the creative economy at ...

Professional Putters Association The Professional Putters Association (PPA) was started in 1959 by Don Clayton, the founder of Putt-Putt Golf, in Fayetteville, North Carolina. Originally begun as the Professional Putt-Putt Golfers Association in 1959, the name was changed in 196 ...

Progressive Peoples Alliance The Progressive Peoples Alliance (PPA) is a political party in Nigeria. The party won gubernatorial elections in 2003 and 2007 in Abia State. The party also won the governorship election in 2007 in Imo State. The Governor of Abia State is Chie ...

, a political party in Nigeria *

People's Party of Arunachal Peoples Party of Arunachal, a regional political party in the Indian state of Arunachal Pradesh. It was founded in September 1977 by Bakin Pertin, Oken Lego and L. Wanglat as president, Vice President and General Secretary of the party. Tomo ...

, a regional political party in the Indian state of Arunachal Pradesh

Technology

* Pay-per-action *

Personal Package Archive Ubuntu ( ) is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in three editions: ''Desktop'', ''Server'', and ''Core'' for Internet of things devices and robots. All the ...

, an Ubuntu Linux software repository for managing source packages *

Polyphthalamide Polyphthalamide (aka. PPA, High Performance Polyamide) is a subset of thermoplastic synthetic resins in the polyamide (nylon) family defined as when 55% or more moles of the carboxylic acid portion of the repeating unit in the polymer chain is com ...

, semi-crystalline high-temperature plastic in the Nylon family *

Power purchase agreement A power purchase agreement (PPA), or electricity power agreement, is a contract between two parties, one which generates electricity (the seller) and one which is looking to purchase electricity (the buyer). The PPA defines all of the commercial te ...

, a contract for the purchase of electrical energy *

Polyphosphoric acid A phosphoric acid, in the general sense, is a phosphorus oxoacid in which each phosphorus (P) atom is in the oxidation state +5, and is bonded to four oxygen (O) atoms, one of them through a double bond, arranged as the corners of a tetrahedron. ...

Other

Pension Protection Act of 2006 The Pension Protection Act of 2006 (), 120 Stat. 780, was signed into law by U.S. President George W. Bush on August 17, 2006. Pension reform This legislation requires companies who have underfunded their pension plans to pay higher premiums to th ...

, U.S. federal law *

Point pattern analysis Point pattern analysis (PPA) is the study of ''point patterns'', the spatial arrangements of points in space (usually 2-dimensional space). The simplest formulation is a set ''X'' = where ''D'', which can be called the 'study region,' is a subset ...

Pollution Prevention Act of 1990 The Pollution Prevention Act of 1990 (PPA) is a United States federal law that created a national policy to promote the prevention of pollution or reduction at pollution sources wherever possible. The law also expanded the Toxics Release Inventor ...

, U.S. federal law *

PPA (complexity) In computational complexity theory, PPA is a complexity class, standing for "Polynomial Parity Argument" (on a graph). Introduced by Christos Papadimitriou in 1994 (page 528), PPA is a subclass of TFNP. It is a class of search problems that can be s ...

, a class of search problems *

Purchase price allocation Purchase price allocation (PPA) is an application of goodwill accounting whereby one company (the acquirer), when purchasing a second company (the target), allocates the purchase price into various assets and liabilities acquired from the transacti ...

* Participatory poverty assessment *

Provisional application Under United States patent law, a provisional application is a legal document filed in the United States Patent and Trademark Office (USPTO), that establishes an early filing date, but does not mature into an issued patent unless the applicant ...

, commonly known as a 'provisional patent application' * Planning, preparation and assessment, an allocation given to teaching professionals as part of their timetable {{disambiguation