| Acronym | Definition |
|---|
| PAA➣Pituitary Adrenal Axis |
| PAA➣Port Authority Act (Pennsylvania) |
| PAA➣Population Association of America (Silver Spring, Maryland) |
| PAA➣Peninsula Art Academy (Peninsula, OH) |
| PAA➣Plains All American Pipeline, LP (stock symbol) |
| PAA➣Protect America Act of 2007 |
| PAA➣Polyacrylic Acid |
| PAA➣Photographers Association of America (now Professional Photographers of America) |
| PAA➣Pan American Airlines (ICAO code) |
| PAA➣Professional Anglers Association |
| PAA➣Professional Achievement Award (various organizations) |
| PAA➣Program Activity Architecture (Canada) |
| PAA➣Performing Arts Academy (various organizations) |
| PAA➣Performance Achievement Award |
| PAA➣Public Administration Agency (Bosnia and Herzegovina) |
| PAA➣Parents as Advocates |
| PAA➣Palo Alto Airport (Palo Alto, CA) |
| PAA➣Port Analyzer Adapter |
| PAA➣Performance Assurance Agent |
| PAA➣Peracetic Acid |
| PAA➣Practical and Applied Arts (education) |
| PAA➣Pair Availability Analysis |
| PAA➣Prueba de Aptitud Académica (Spanish: Academic Aptitude Test; Chile) |
| PAA➣Potato Association of America (Orono, Maine) |
| PAA➣Potential Annexation Area (Washington) |
| PAA➣Peroxyacetic Acid |
| PAA➣Phased Adaptive Approach (US DoD) |
| PAA➣Pattern Analysis and Applications |
| PAA➣Pan Asian E-Commerce Alliance |
| PAA➣Phased-Array Antenna |
| PAA➣Pennsylvania Automotive Association (Harrisburg, Pennsylvania) |
| PAA➣Purdue Alumni Association (West Lafayette, Indiana) |
| PAA➣Primary Aircraft Authorized |
| PAA➣Project Atmosphere Australia |
| PAA➣Piezo Audio Amplifier (Sonitron) |
| PAA➣Priority Area Assessment |
| PAA➣Psychologists' Association of Alberta (Edmonton, Alberta, Canada) |
| PAA➣Plan Administration Account |
| PAA➣Policy Approving Authority |
| PAA➣Pre-Accession Advisor |
| PAA➣Pharmacy Alumni Association |
| PAA➣Pacific Arts Association (Blaine, Washington) |
| PAA➣Primary Aircraft Authorization |
| PAA➣Port Analyzer Adapter (Cisco) |
| PAA➣Positive Aquaculture Awareness |
| PAA➣Photon Activation Analysis |
| PAA➣Primary Assigned Aircraft |
| PAA➣Parallel Algorithms and Architectures |
| PAA➣Pasadena Athletic Association (California) |
| PAA➣Pakistan Advertising Association |
| PAA➣Protected Area Archive (NASA) |
| PAA➣Position Area for Artillery |
| PAA➣Projeto e Análise de Algoritmos |
| PAA➣Presbyterians for Addiction Action |
| PAA➣Procurement of Ammunition, Army |
| PAA➣Pitt Alumni Association (Pittsburgh, Pennsylvania) |
| PAA➣Parkview Adventist Academy (Lacombe, Alberta, Canada) |
| PAA➣Polyacryl Amide |
| PAA➣Principal Accrediting Authority |
| PAA➣Peer Access Approval |
| PAA➣Primary Aircraft Assigned |
| PAA➣Protein Annotator's Assistant |
| PAA➣Progressive Action Alliance (Texas) |
| PAA➣Primary Aromatic Amine |
| PAA➣Priority Action Agenda (Vanatau) |
| PAA➣Police Administrative Aide |
| PAA➣Property Accounting Activity |
| PAA➣Pollution Abatement Ashore |
| PAA➣Procurement Appropriation, Army |
| PAA➣Pay Adjustment Authorization |
| PAA➣Punahou Alumni Association (Honolulu, Hawaii) |
| PAA➣Police Administrative Assistant |
| PAA➣Pension Adjustment Account (Canada) |
| PAA➣Professional Apparel Association (Wayne, PA) |
| PAA➣Pennsylvania Aquaculture Association |
| PAA➣Petroleum Aquisition Adjustment |
| PAA➣Program Assistance Announcement |
| PAA➣Professional Aircraft Accessories, Inc |
| PAA➣Personnel Allowance Amendment |
| PAA➣Prehistoric Australian Artefacts |
| PAA➣Priority Abatement Area |
| PAA➣Pakistan-American Association |
| PAA➣Peripheral Attack Aircraft |
| PAA➣Primary Assembly Area |
| PAA➣Plains Apartment Association (Auburn, AL) |
| PAA➣Penetrability Analysis Application |
| PAA➣Programmed Aircraft Authorization |
| PAA➣Purchase Accounting Adjustment |
| PAA➣Personal Auto-Attendant |
| PAA➣Provisioning Access Arrangement |
| PAA➣Program Authorized Allowance |
| PAA➣Protected Approach Alley |
| PAA➣Playground Appreciation Association |
| PAA➣Please Avoid Acronyms |
| PAA➣Printed-Aperture Antenna |
| PAA➣Protecting Adults from Abuse |
| PAA➣Priorities, Allocations, and Allotments |