PPA

PPA may refer to:

Biology and medicine

 * Palpatio per anum, a rectal examination
 * Parahippocampal place area, in the brain
 * Phenylpropanolamine, a largely discontinued decongestant drug
 * Primary progressive aphasia, a neurological condition affecting language

Politics, government, and military

 * Public Policy and Administration, an academic journal on public administration, often abbreviated as PPA
 * Paraguayan People's Army, a group considered a terrorist organization by the Paraguayan state
 * Parti du Peuple Algerien, an Algerian political party
 * Philadelphia Parking Authority, a parking agency in Pennsylvania, United States
 * Philippine Ports Authority
 * Progressive Peoples Alliance, a political party in Nigeria
 * People's Party of Arunachal, an Indian regional political party
 * Popski's Private Army, a small World War II Special Forces unit of the British 8th Army

Businesses

 * Palau Pacific Airways, a defunct charter airline
 * Piraeus Port Authority, Greece

Professional and trade associations

 * Pakistan Pharmacists Association
 * Professional Photographers of America
 * Professional Publishers Association
 * Pictorial Photographers of America, founded by Clarence Hudson White with several others in 1916
 * Pre-School Playgroups Association, a British charitable organisation

Sports bodies

 * Professional Pickleball Association
 * Professional Putters Association
 * Poker Players Alliance, a USA advocacy/lobbying group

Laws

 * Pension Protection Act of 2006, United States
 * Pollution Prevention Act of 1990, United States
 * Public Procurement Act (Switzerland)

Mathematics

 * Point pattern analysis, in geometry
 * PPA (complexity), a class of computational search problems

Technology and science

 * Pay-per-action
 * Personal Package Archive, an Ubuntu Linux software repository for managing source packages
 * Polyphthalamide, semi-crystalline high-temperature plastic in the Nylon family
 * Power purchase agreement, a contract for the purchase of electrical energy
 * Polyphosphoric acid
 * PPa, symbol for the unit of pressure, petapascal (1015 pascal)
 * pPa, symbol for the unit of pressure, picopascal (10-12 pascal)

Other uses

 * Purchase price allocation
 * Participatory poverty assessment
 * Provisional application, commonly known as a 'provisional patent application'
 * Planning, preparation and assessment, an allocation given to teaching professionals as part of their timetable