PGA is an acronym or initialism that may stand for:

Aviation

• IATA code for Page Municipal Airport, Coconino County, Arizona
• ICAO designator for Portugália, regional airline based in Lisbon, Portugal
• Abbreviation for Prince George Airport, British Columbia, Canada

Organizations

• Parliamentarians for Global Action, an international parliamentary group that engage in a range of action-oriented initiatives.
• Peoples' Global Action, a worldwide co-ordination of radical social movements
• Producers Guild of America, an organization representing television producers, film producers and new media producers in the United States

Golf

Organizations and tours

• Professional Golfers' Association (Great Britain and Ireland)
• Professional Golfers' Association of America
• PGA Tour, United States-based organization (independent of the PGA of America) that operates men's professional golf tours, and the name of the elite tour it runs
• PGA European Tour, Europe-based organization (independent of the PGA of Great Britain and Ireland) that operates men's professional golf tours
• PGA Tour of Australasia, formerly the PGA Tour of Australia

Tournaments

• PGA Championship, one of the four men's major golf championships, organized by the PGA of America
• Women's PGA Championship
• Senior PGA Championship
• BMW PGA Championship, a professional golf tournament on the European Tour, founded by the PGA of Great Britain and Ireland
• PGA Seniors Championship
• Australian PGA Championship
• New Zealand PGA Championship
• South African PGA Championship
• Indonesia PGA Championship

Science

Chemistry

• 3-Phosphoglyceric acid (or glycerate 3-phosphate), a chemical substance that is a metabolic intermediate in both glycolysis and the Calvin cycle
• Polyglutamic acid, a polymer of the glutamic acid (one of proteinogenic amino acids)
• Polyglycolic acid, another name for polyglycolide
• Propylene glycol alginate (E405), an emulsifier, stabilizer, and thickener used in food products
• Prostaglandin of the A type

Geology / Seismology

• Peak ground acceleration, measure of ground acceleration during an earthquake

Language

• pga, ISO 639-3 language code for Juba Arabic (also known as Sudanese Creole Arabic) language

Mathematics

• Principal geodesic analysis, a generalization of principal component analysis
• Projective Geometric Algebra or Plane-based Geometric Algebra

Medicine

• Pentagestrone acetate, a progestin
• Polyglandular autoimmune syndromes, another name for autoimmune polyendocrine syndromes

Technology

Computing

• Perl Golf Apocalypse, a Perl coding competition
• Program Global Area, a memory region for the server processes in Oracle
• Professional Graphics Adapter or Professional Graphics Array, other names for Professional Graphics Controller, an IBM XT graphics card intended for the CAD market

Electronics

• Pin grid array, a type of packaging for integrated circuits
• Programmable-gain amplifier, an amplifier whose gain can be changed during its operation
• Programmable gate array, a semiconductor device containing programmable logic components and programmable interconnects (vast majority of today's PGAs are field-programmable gate arrays, or FPGAs)

Other

• Panasonic Gobel Awards, annual Indonesian TV awards, from 1997 until 2019
• Paul Gardner Allen (1953–2018), American business magnate, co-founder of Microsoft
• Pure grain alcohol, another name for neutral grain spirit

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