PAA

PAA may refer to:

Businesses and organizations

• Pacific American Airlines
• Pamoja African Alliance, a Kenyan political party
• PanAfrican Archaeological Association
• Pan African Association
• Pan American World Airways, commonly known as Pan Am
• Pan American Association of Anatomy
• Patriot Alliance Association, a radical Chinese nationalist party in Taiwan
• Pittsburgh Athletic Association, athletic and social club
• Polish American Association
• Population Association of America, dedicated to population and demography studies
• Portland Adventist Academy, an Adventist High School

Science, technology and mathematics

Chemistry and materials science

• Peroxyacetic acid, a chemical
• Pharmacologic Ascorbic Acid, a medical treatment
• Phenylacetic acid, a chemical
• Phosphoamino acid analysis, a biochemistry technique
• Polyacrylamide, an acrylate polymer
• Polyacrylic acid, an acrylic polymer
• Primary Aromatic Amine, a group of compounds

Electronic devices

• Personal Attack Alarm
• Piezo Audio Amplifier

Linguistics

• Proto-Afroasiatic language
• Proto-Austroasiatic language

Statistics

• Piecewise Aggregate Approximation, dimension reduction method

Legislation

• Perpetuities and Accumulations Act 1964, UK act of Parliament
• Perpetuities and Accumulations Act 2009, UK act of Parliament
• Protect America Act of 2007, amendment to the US Foreign Intelligence Surveillance Act

Other uses

• Penny Arcade Adventures, video game series
• Prueba de Aptitud Académica, standardized test for university admissions

See also

• Paa (disambiguation)