PPA

PPA may refer to:

• US Pension Protection Act of 2006
• Point pattern analysis
• Pollution Prevention Act of 1990, U.S. federal law
• PPA (complexity), a class of search problems
• Purchase price allocation

Biomedical

• Palpatio per anum, Latin medical term for a rectal examination
• Parahippocampal place area located within the parahippocampal gyrus
• Phenylpropanolamine
• Primary progressive aphasia

Organizations

• Palau Pacific Airways
• Parti du Peuple Algerien, the Algerian People's Party in French
• Paraguayan People's Army, a group considered a terrorist organization by the Paraguayan state
• Philadelphia Parking Authority, a parking agency in Philadelphia, PA, USA
• Philippine Ports Authority
• The stock symbol of Piraeus Port Authority
• Pictorial Photographers of America, founded by Clarence Hudson White with several others in 1916
• Poker Players Alliance, a USA advocacy/lobbying group
• Popski's Private Army, a small World War II Special Forces unit of the British 8th Army
• Pre-School Playgroups Association, UK organization later named the Pre-school Learning Alliance
• Professional Photographers of America
• Professional Publishers Association
• Professional Putters Association
• Progressive Peoples Alliance, a political party in Nigeria

Technology

• Pay-per-action
• Personal Package Archive, a special software repository for uploading source packages to be built and published as an APT repository
• Polyphthalamide, semi-crystalline high-temperature plastic in the Nylon family
• Power purchase agreement, a contract for the purchase of electrical energy
• Polyphosphoric acid