AA -All Aboard - Abbreviation

Medical / Physiology

AA - African American
African American

Community

AA - Auto Answer
Auto Answer

Computing / Cyber & Security

AA - Agile Access
Agile Access

Computing / Telecom

AA - Alpha Alpha
Alpha Alpha

Community / Schools

AA - Astronomical Applications
Astronomical Applications

Governmental / NASA

Community / Non-Profit Organizations

AA - Adjustable Arms
Adjustable Arms

Business / Products

AA - Ancient Anguish
Ancient Anguish

Sports

AA - All Age
All Age

Community / Film Censorship

AA - Adjusting Appendix
Adjusting Appendix

Community / News & Media

AA - Air-to-Air
Air-to-Air

Governmental / Air Force

AA - Addictions Anonymous
Addictions Anonymous

Community / Non-Profit Organizations

AA - Absolutely Alright
Absolutely Alright

Miscellaneous / Funnies

AA - Active Active
Active Active

Academic & Science / Electronics

AA - Acquired Attributes
Acquired Attributes

Computing / Assembly

AA - Acetic Acid
Acetic Acid

Academic & Science / Chemistry

AA - Ann Arbor
Ann Arbor

Governmental / State & Local

AA - Air Abrasion
Air Abrasion

Miscellaneous / Manufacturing

AA - Argument Analysis
Argument Analysis

Academic & Science / Mathematics

AA - Amyloid Associated
Amyloid Associated

Medical / Human Genome

AA - ASCII Art
ASCII Art

Computing / General Computing

AA - Activities and Attitudes
Activities and Attitudes

Governmental / Law & Legal

AA - Ask About
Ask About

Internet / Chat

AA - Amino Acrylate
Amino Acrylate

Academic & Science / Chemistry

AA - American Arrogance
American Arrogance

Miscellaneous / Funnies

AA - Anatomical Adaptation
Anatomical Adaptation

Medical / Physiology

AA - American Airlines
American Airlines

Governmental / Transportation

AA - An Agency
An Agency

Governmental / US Government

AA - Associate of Arts
Associate of Arts

Academic & Science / Academic Degrees

AA - Anti Apostle
Anti Apostle

Community / Religion

AA - Academic Affairs
Academic Affairs

Academic & Science / Universities

AA - Adult Accompaniment
Adult Accompaniment

Community / Music

AA - Adjusted Allotment
Adjusted Allotment

Governmental / US Government

AA - Arachidonic Acid
Arachidonic Acid

Academic & Science / Chemistry

AA - Average Attendance
Average Attendance

Sports

AA - Ancient of Ancients
Ancient of Ancients

Community

AA - Affirmative Action
Affirmative Action

Business / General Business

AA - As Amended
As Amended

Governmental / US Government

AA - Anal Aneurysm
Anal Aneurysm

Medical / Physiology

AA - Author's Addition
Author's Addition

Community / News & Media

AA - Access Authorization
Access Authorization

Computing / Networking

AA - Activation Analysis
Activation Analysis

Academic & Science / Chemistry

AA - Advanced Alloy
Advanced Alloy

Academic & Science / Chemistry

Governmental / US Government

Governmental / NASA

Governmental / Military

Business / Occupation & Positions

AA - Amarillo Area Office
Amarillo Area Office

Governmental / US Government

AA - Assistance Administration
Assistance Administration

Governmental / US Government

AA - Assistant Administrator
Assistant Administrator

Governmental / US Government

AA - Assistant Administrator
Assistant Administrator

Governmental / Transportation

AA - Atomic Absorption
Atomic Absorption

Academic & Science / Chemistry

AA - Automatic Adjust
Automatic Adjust

Academic & Science / Electronics

AA - Average Audience
Average Audience

Community / News & Media

AA - Active Page
Active Page

Computing / Texting

AA - Adaptive Algorithm
Adaptive Algorithm

Academic & Science / Mathematics

AA - Assassins Anonymous
Assassins Anonymous

Miscellaneous / Funnies

AA - Artistic Aerobatics
Artistic Aerobatics

Community / Performing Arts

AA - Ancient Arts
Ancient Arts

Academic & Science / Universities

AA - Angle Angle
Angle Angle

Academic & Science / Mathematics

Community

AA - Activity Approach
Activity Approach

Community / Educational

AA - Anti-Aliasing
Anti-Aliasing

Academic & Science / Electronics

AA - America's Army
America's Army

Governmental / Military

AA - All Around
All Around

Sports

AA - Almost All
Almost All

Academic & Science / Mathematics

AA - AMD Assured
AMD Assured

Computing / Hardware

AA - Anesthesiologist Assistant
Anesthesiologist Assistant

Business / Occupation & Positions

AA - Average Attendance
Average Attendance

Community / Conferences

AA - Aardman Animations
Aardman Animations

Business / Companies & Firms

AA - Acceptance and Action
Acceptance and Action

Business / General Business

Academic & Science / Chemistry

AA - Action Adventure
Action Adventure

Miscellaneous / Hobbies

AA - Advanced Auditing
Advanced Auditing

Academic & Science / Universities

AA - Another Ah
Another Ah

Miscellaneous / Toastmasters

AA - Administrative Assistants
Administrative Assistants

Business / Occupation & Positions

AA - Accredited Appraiser
Accredited Appraiser

Business / Occupation & Positions

AA - Arakan Army
Arakan Army

Governmental / United Nations

AA - Aspenice Anesthesiology
Aspenice Anesthesiology

Medical / Physiology

AA - Alpha Alumni
Alpha Alumni

Academic & Science / Alumni

AA - Alzheimer's Association
Alzheimer's Association

Community / Non-Profit Organizations

AA - Amazon Alliance
Amazon Alliance

Miscellaneous / Science Fiction

AA - American Archaeology
American Archaeology

Community / News & Media

AA - All American
All American

Sports

AA - Application As
Application As

Medical / Hospitals

AA - Alcoholic Acting
Alcoholic Acting

Community / Performing Arts

AA - AMD Athlon processor
AMD Athlon processor

Computing / Hardware

AA - Awful Awful
Awful Awful

Miscellaneous / Funnies

AA - Automatic Analyzer
Automatic Analyzer

Business / Products

AA - Angelus Academy
Angelus Academy

Community / Educational

AA - Academy Award
Academy Award

Community / News & Media

AA - Americans Anonymous
Americans Anonymous

Miscellaneous / Funnies

AA - Auto Aperture
Auto Aperture

Miscellaneous / Photography & Imaging

AA - Alternate Advancement
Alternate Advancement

Community / Educational

AA - Alliteration and Assonance
Alliteration and Assonance

Academic & Science / Linguistics

AA - Atlantic Alliance
Atlantic Alliance

Governmental / US Government

AA - Alcoholics Arise
Alcoholics Arise

Miscellaneous / Funnies

AA - Audio Animatronics
Audio Animatronics

Academic & Science / Electronics

AA - Audible Audiobook
Audible Audiobook

Community / News & Media

AA - Airbus Always
Airbus Always

Miscellaneous / Funnies

AA - Armor Attachment
Armor Attachment

Governmental / Military

AA - ArchAngel
ArchAngel

Community / Religion

AA - Armored Assault
Armored Assault

Governmental / Military

Miscellaneous

AA - Advanced Articulators Toastmasters Club
Advanced Articulators Toastmasters Club

Miscellaneous / Toastmasters

AA - America's Answer
America's Answer

Governmental / US Government

AA - Automated Anvil
Automated Anvil

Miscellaneous / Manufacturing

AA - Attract Attention
Attract Attention

Community / Educational

AA - Anchor Assembly
Anchor Assembly

Miscellaneous / Construction

AA - Awaiting Activation
Awaiting Activation

Computing / Cyber & Security

AA - Academic Alliance
Academic Alliance

Academic & Science / Meteorology

AA - All Ages
All Ages

Community / Film Censorship

AA - Apache Anne
Apache Anne

Community / Famous & Celebs

AA - Alan Alexander
Alan Alexander

Community / Famous & Celebs

AA - Archaic Academy
Archaic Academy

Miscellaneous / Funnies

AA - Ann Arbor, Michigan
Ann Arbor, Michigan

Regional / States

AA - Anchor Assembly
Anchor Assembly

Governmental / Military

AA - Author's Addition
Author's Addition

Academic & Science / IEEE

AA - Always Available
Always Available

Governmental / Military

AA - Alternative Armies
Alternative Armies

Miscellaneous / Hobbies

AA - Aiven Andrians
Aiven Andrians

Community / Famous & Celebs

AA - Ahavat Achim
Ahavat Achim

Community / Synagogues

AA - American Atheists
American Atheists

Community / Non-Profit Organizations

AA - Amtliche Abkürzung
Official abbreviation

International / German

AA - Automobile Association
Automobile Association

Governmental / Police

AA - Aquele Abraco
Aquele Abraco

Regional

AA - Anadolu Ajansi
Anadolu Ajansi

International / Turkish

AA - Archiv fur Anthropologie, Brauschweig
Archive of Anthropology, Brauschweig

International / Romanian

AA - Alopecia Areata
Alopecia Areata

Medical / Physiology

AA - After Animaniacs
After Animaniacs

Community / News & Media

AA - Antenna Assembly
Antenna Assembly

Governmental / NASA

AA - Author's Alteration
Author's Alteration

Academic & Science / Libraries

AA - Asia Africa
Asia Africa

Governmental / Politics

AA - Assessment Agent
Assessment Agent

Governmental / Military

Medical / Prescription

AA - Alumni Affairs
Alumni Affairs

Academic & Science / Alumni

AA - Accounting Assistant
Accounting Assistant

Business / Occupation & Positions

AA - Aakash ANTHE
Aakash ANTHE

Community / Educational

AA - Associate in Arts
Associate in Arts

Academic & Science / Academic Degrees

AA - Auto Assault
Auto Assault

Governmental / Military

AA - Action Alliance
Action Alliance

Governmental / Politics

AA - Automobile Association
Automobile Association

Business / General Business

AA - Of each (Ana)
Of each (Ana)

Medical / Prescription

AA - Abdominal Aorta
Abdominal Aorta

Medical / Physiology

AA - Absolute Alcohol
Absolute Alcohol

Medical / Hospitals

AA - Achievement Age
Achievement Age

Academic & Science / Psychology

AA - Acute Appendicitis
Acute Appendicitis

Medical / Diseases

AA - Amyloid Associated
Amyloid Associated

Medical / Laboratory

AA - Amyloid Associated
Amyloid Associated

Medical / Oncology

AA - Aplastic Anaemia
Aplastic Anaemia

Medical / British Medicine

AA - Ascending Aorta
Ascending Aorta

Medical / British Medicine

AA - Ascorbic Acid
Ascorbic Acid

Medical / British Medicine

AA - Attendance Allowance
Attendance Allowance

Medical / British Medicine

AA - autoanalyser
autoanalyser

Medical / British Medicine

AA - Ascorbic Acid
Ascorbic Acid

Academic & Science / Chemistry

AA - Aluminum Association
Aluminum Association

Business / Professional Organizations

AA - All American
All American

Community

AA - Armed Forces Americas
Armed Forces Americas

Governmental / US Government

AA - Agricultural Assistant
Agricultural Assistant

Business / Banking

AA - Alcohol Abuse
Alcohol Abuse

Medical / Diseases

AA - Acronym Abbreviation
Acronym Abbreviation

Miscellaneous / Funnies

AA - Annual Accounts
Annual Accounts

Miscellaneous

AA - Anti Aircraft
Anti Aircraft

Governmental / Military

AA - Acronyms and Abbreviations
Acronyms and Abbreviations

Miscellaneous

AA - Allahu Akbar = God is Great in Arabic
Allahu Akbar = God is Great in Arabic

Community / Religion

AA - Army Act
Army Act

Governmental / Military

AA - Action Authorization
Action Authorization

Miscellaneous / Aircraft & Aviation

AA - Acronym Attic
Acronym Attic

Internet / Websites

AA - Astronomy and Astrophysics
Astronomy and Astrophysics

Academic & Science

AA - Auto Attack
Auto Attack

Miscellaneous / Unclassified

AA - as an
as an

Miscellaneous / Unclassified

AA - Accountant-administratieconsulent (Netherlands)
Accountant-administratieconsulent (Netherlands)

International

AA - Attendance Allowance
Attendance Allowance

Governmental

AA - an associate
an associate

Miscellaneous / Unclassified

AA - Anal Addiction
Anal Addiction

Miscellaneous / Unclassified

AA - Austin and Ally
Austin and Ally

Miscellaneous

AA - Austrian Airlines
Austrian Airlines

Regional / Airport Codes

AA - Academy of Architecture
Academy of Architecture

Academic & Science / Societies

AA - Académie d'Architecture
Académie d'Architecture

Academic & Science / Societies

AA - Academy of Alsace
Academy of Alsace

Academic & Science / Societies

AA - Académie d'Alsace
Académie d'Alsace

Academic & Science / Societies

AA - Airman Apprentice
Airman Apprentice

Governmental / Navy

AA - Altered Attitudes
Altered Attitudes

Miscellaneous / Unclassified

AA - Amazingly Awesome
Amazingly Awesome

Miscellaneous / Unclassified

AA - Active Assassins
Active Assassins

Miscellaneous / Unclassified

AA - A Aa
A Aa

Miscellaneous / Unclassified

AA - Above Average
Above Average

Miscellaneous / Unclassified

AA - Area Administrator
Area Administrator

Miscellaneous / Unclassified

AA - Armed Assault
Armed Assault

Governmental / Law & Legal

AA - American Ancestry
American Ancestry

Academic & Science

AA - Audrey Approved
Audrey Approved

Miscellaneous / Unclassified

AA - Anti Aging
Anti Aging

Miscellaneous / Unclassified

AA - Article Adjective
Article Adjective

Academic & Science

AA - Ann Anderson
Ann Anderson

Miscellaneous / Unclassified

AA - Advisor/Advisee
Advisor/Advisee

Academic & Science / Students

AA - Alcoholic Anonymous
Alcoholic Anonymous

Miscellaneous / Unclassified

AA - Adams Arms
Adams Arms

Miscellaneous / Unclassified

AA - Associate Administrator
Associate Administrator

Miscellaneous / Unclassified

AA - Alumni Association
Alumni Association

Academic & Science / Alumni

AA - Alumni Association
Alumni Association

Community / Associations

AA - Arson Attack
Arson Attack

Miscellaneous / Unclassified

AA - Anti Aliasing
Anti Aliasing

Miscellaneous / Unclassified

AA - Anti-Air
Anti-Air

Miscellaneous / Aircraft & Aviation

AA - American Airways
American Airways

Miscellaneous / Aircraft & Aviation

AA - Active and
Active and

Miscellaneous / Unclassified

AA - Air Activated
Air Activated

Miscellaneous / Unclassified

AA - Anti Atlas
Anti Atlas

Miscellaneous / Unclassified

AA - After Air
After Air

Miscellaneous / Unclassified

Medical

Medical

Medical

Medical / Clinical Medicine

Medical / Surgical

Academic & Science / Biology

Medical / Pharmacy

Medical / Veterinary