| A&A | Abbreviations and Acronyms 
| Others |
| A&A | Acronyms & Abbreviations
| Others |
| A&A | Advertise and Award
| Others |
| A&A | Amos and Andy
| Others |
| A&A | Arrival and Assembly
| Others |
| A&A | Axis & Allies
| Others |
| A.A | Amino Acids
| Others |
| a.a. | of each (from Latin ana ana)
| Others |
| A/A | Air to Air
| Others |
| A/A | AttAching
| Others |
| AA | A Aa
| Others |
| AA | A Abbreviation
| Others |
| AA | Aakash ANTHE
| Others |
| AA | Aardman Animations
| Others |
| AA | Abbreviated Analysis
| Others |
| AA | Abdominal Aorta
| Others |
| AA | Above Average
| Others |
| AA | Absolute Alcohol
| Others |
| AA | Absolutely Alright
| Others |
| AA | Absolutely Average
| Others |
| AA | Academic Affairs
| Others |
| AA | Academic Alliance
| Others |
| AA | Academy Award
| Others |
| AA | Academy of Alsace
| Others |
| AA | Academy of Architecture
| Others |
| AA | Acceptance and Action
| Others |
| AA | Access Authorization
| Others |
| AA | Accountant-administratieconsulent (Netherlands)
| Others |
| AA | Accounting Assistant
| Others |
| AA | Accreditation Authority
| Others |
| AA | Accredited Appraiser
| Others |
| AA | Acetic Acid
| Others |
| AA | Achievement Age
| Others |
| AA | Acquired Attributes
| Others |
| AA | Acronym Abbreviation
| Others |
| AA | Acronym Attic
| Others |
| AA | Acronyms and Abbreviations
| Others |
| AA | Action Adventure
| Others |
| AA | Action Alliance
| Others |
| AA | Action Authorization
| Others |
| AA | Activation Analysis
| Others |
| AA | Active Active
| Others |
| AA | Active and
| Others |
| AA | Active Annual
| Others |
| AA | Active Assassins
| Others |
| AA | Active Page
| Others |
| AA | Activities and Attitudes
| Others |
| AA | Activity Approach
| Others |
| AA | Acute Appendicitis
| Others |
| AA | Adams Arms
| Others |
| AA | Adaptive Algorithm
| Others |
| AA | Addictions Anonymous
| Others |
| AA | Adjustable Arms
| Others |
| AA | Adjusted Allotment
| Others |
| AA | Adjusting Appendix
| Others |
| AA | Administrative Assistant
| Others |
| AA | Administrative Assistants
| Others |
| AA | Adobe Analytics
| Analytics Software |
| AA | Adult Accompaniment
| Others |
| AA | Advanced Alloy
| Others |
| AA | Advanced Auditing
| Others |
| AA | Adverse Action
| Others |
| AA | Advisor/Advisee
| Others |
| AA | Afar
| Others |
| AA | Affected Area
| Others |
| AA | Affirmative Action
| Others |
| AA | Affordability Analysis
| Others |
| AA | African American
| Others |
| AA | African-American
| Others |
| AA | After Air
| Others |
| AA | After Animaniacs
| Others |
| AA | Against Actuals
| Others |
| AA | Agile Access
| Others |
| AA | Agricultural Assistant
| Others |
| AA | Ahavat Achim
| Others |
| AA | Air Abrasion
| Others |
| AA | Air Activated
| Others |
| AA | Air Ambulance
| Others |
| AA | Air-to-Air
| Others |
| AA | Airbus Always
| Others |
| AA | Airman Apprentice
| Others |
| AA | Airsoft Ammo
| Others |
| AA | Aiven Andrians
| Others |
| AA | Alan Alexander
| Others |
| AA | Alcohol Abuse
| Others |
| AA | Alcoholic Acting
| Others |
| AA | Alcoholics Anonymous
| Health, Organization |
| AA | Alcoholics Arise
| Others |
| AA | All Aboard
| Others |
| AA | All Again
| Others |
| AA | All Age
| Others |
| AA | All Ages
| Others |
| AA | All American
| Others |
| AA | All Around
| Others |
| AA | Allahu Akbar = God is Great in Arabic
| Others |
| AA | Allied Affairs
| Others |
| AA | Alliteration and Assonance
| Others |
| AA | Almost All
| Others |
| AA | Alopecia Areata
| Others |
| AA | Alpha Alpha
| Others |
| AA | Alpha Alumni
| Others |
| AA | Altered Attitudes
| Others |
| AA | Alternate Advancement
| Others |
| AA | Alternative Armies
| Others |
| AA | Aluminum Association
| Others |
| AA | Alumni Affairs
| Others |
| AA | Alumni Association
| Others |
| AA | Always Aground
| Others |
| AA | Always Available
| Others |
| AA | Alzheimer's Association
| Others |
| AA | Amarillo Area Office
| Others |
| AA | Amazingly Awesome
| Others |
| AA | Amazon Alliance
| Others |
| AA | Ambient Air
| Others |
| AA | AMD Assured
| Others |
| AA | AMD Athlon processor
| Others |
| AA | Amelia Academy
| Others |
| AA | America's Answer
| Others |
| AA | America's Army
| Others |
| AA | American Airlines
| Others |
| AA | American Airways
| Others |
| AA | American Ancestry
| Others |
| AA | American Archaeology
| Others |
| AA | American Arrogance
| Others |
| AA | American Association
| Others |
| AA | American Atheists
| Others |
| AA | Americans Anonymous
| Others |
| AA | Amino Acid
| Others |
| AA | Amino Acrylate
| Others |
| AA | Amyloid Associated
| Others |
| AA | An Agency
| Others |
| AA | an associate
| Others |
| AA | Anal Addiction
| Others |
| AA | Anal Aneurysm
| Others |
| AA | Anaplastic Anaemia
| Others |
| AA | Anatomical Adaptation
| Others |
| AA | Anchor Assembly
| Others |
| AA | Ancient Anguish
| Others |
| AA | Ancient Arts
| Others |
| AA | Ancient of Ancients
| Others |
| AA | Anesthesiologist Assistant
| Others |
| AA | Angel Artie
| Others |
| AA | Angelus Academy
| Others |
| AA | Angle Angle
| Others |
| AA | Ann Anderson
| Others |
| AA | Ann Arbor
| Others |
| AA | Ann Arbor Railroad
| Others |
| AA | Annual Accounts
| Others |
| AA | Another Ah
| Others |
| AA | Antenna Assembly
| Others |
| AA | Anti Aging
| Others |
| AA | Anti Aircraft
| Others |
| AA | Anti Aliasing
| Others |
| AA | Anti Apostle
| Others |
| AA | Anti Atlas
| Others |
| AA | Anti-Air
| Others |
| AA | Anti-Aliasing
| Others |
| AA | Apache Anne
| Others |
| AA | Aplastic Anaemia
| Others |
| AA | Application As
| Others |
| AA | Appointing Authority
| Others |
| AA | Appropriate Adult
| Others |
| AA | Aptitude Area
| Others |
| AA | Aquele Abraco
| Others |
| AA | Arachidonic Acid
| Others |
| AA | Arakan Army
| Others |
| AA | Archaic Academy
| Others |
| AA | ArchAngel
| Others |
| AA | Area Administrator
| Others |
| AA | Argument Analysis
| Others |
| AA | Armed Assault
| Others |
| AA | Armed Forces Americas
| Others |
| AA | Armor Attachment
| Others |
| AA | Armored Ambulance
| Others |
| AA | Armored Assault
| Others |
| AA | Army Act
| Others |
| AA | Arnold Arboretum
| Others |
| AA | Arson Attack
| Others |
| AA | Article Adjective
| Others |
| AA | Artistic Aerobatics
| Others |
| AA | As Amended
| Others |
| AA | as an
| Others |
| AA | Ascending Aorta
| Others |
| AA | ASCII Art
| Others |
| AA | Ascorbic Acid
| Others |
| AA | Asia Africa
| Others |
| AA | Ask About
| Others |
| AA | Aspenice Anesthesiology
| Others |
| AA | Assassins Anonymous
| Others |
| AA | Assembly Area
| Others |
| AA | Assessment Agent
| Others |
| AA | Assistance Administration
| Others |
| AA | Assistant Administrator
| Others |
| AA | Associate Administrator
| Others |
| AA | Associate in Arts
| Others |
| AA | Associate of Arts
| Others |
| AA | Astronomical Applications
| Others |
| AA | Astronomy and Astrophysics
| Others |
| AA | At AcronymFinder
| Others |
| AA | Atlantic Alliance
| Others |
| AA | Atomic Absorption
| Others |
| AA | Attack Assessment
| Others |
| AA | Attendance Allowance
| Others |
| AA | Attitude Adjustment
| Others |
| AA | Attract Attention
| Others |
| AA | Audible Audiobook
| Others |
| AA | Audio Animatronics
| Others |
| AA | Audrey Approved
| Others |
| AA | Austin and Ally
| Others |
| AA | Author's Addition
| Others |
| AA | Author's Alteration
| Others |
| AA | Auto Answer
| Others |
| AA | Auto Aperture
| Others |
| AA | Auto Assault
| Others |
| AA | Auto Attack
| Others |
| AA | autoanalyser
| Others |
| AA | Automated Anvil
| Others |
| AA | Automatic Adjust
| Others |
| AA | Automatic Analyzer
| Others |
| AA | Automatic Answer
| Others |
| AA | Automobile Association
| Others |
| AA | Avengers Academy
| Others |
| AA | Avenue of Approach
| Others |
| AA | Average Attendance
| Others |
| AA | Average Audience
| Others |
| AA | Awaiting Activation
| Others |
| AA | Awesomely Allaboutit
| Others |
| AA | Awful Airlines
| Others |
| AA | Awful Awful
| Others |
| aa | equal quantities of each ingredient
| Others |
| AA | Of Each
| Others |
| AA | Of each (Ana)
| Others |
| aa. | arteries
| Others |