| Acronym | Definition |
|---|
| AoA | Administration on Aging (US Department of Health and Human Services) |
| AoA | American Osteopathic Association |
| AoA | Authorized OECD (Organization for Economic Co-operation and Development) Approach (taxes) |
| AoA | Ace of Angels (band) |
| AoA | American Optometric Association |
| AoA | Articles of Association (documents) |
| AoA | Airlines of Australia |
| AoA | Angolan Kwanza (ISO currency code) |
| AoA | Angle Of Attack |
| AoA | Android Open Accessory (protocol) |
| AoA | Agreement on Agriculture (World Trade Organization) |
| AoA | Angle Of Arrival |
| AoA | Arizona Outback Adventures (Scottsdale, AZ) |
| AoA | Agency on Aging (various locations) |
| AoA | Analysis of Alternatives (formerly COEA) |
| AoA | Alpha Omega Alpha (Medical Honor Society) |
| AoA | Andrews Osborne Academy (Willoughby, OH) |
| AoA | Agency of Agriculture (Vermont) |
| AoA | American Orthopaedic Association |
| AoA | Australian Olive Association |
| AoA | Age of Aincrad (gaming) |
| AoA | Asociación Odontológica Argentina (Spanish: Argentina Dental Association) |
| AoA | Airport Operators Association (UK) |
| AoA | Anaplastic Oligoastrocytoma ( tumors) |
| AoA | American Obesity Association |
| AoA | Age of Apocalypse (Marvel comics) |
| AoA | Australian Orthopaedic Association |
| AoA | At or Above |
| AoA | Award of Arms (Society for Creative Anachronism) |
| AoA | Activity on Arrow (project management) |
| AoA | Airport Operations Area (aviation) |
| AoA | Alabama Optometric Association |
| AoA | Academy of Art |
| AoA | Abort Once Around |
| AoA | Australian Osteopathic Association |
| AoA | Assalam-O-Alaikum |
| AoA | Activity on Arc (project management) |
| AoA | Add on Armor (Army) |
| AoA | Adaptive Optics Associates |
| AoA | American Ostrich Association |
| AoA | Amphibious Objective Area |
| AoA | Aminooxyacetic Acid (inhibitor) |
| AoA | All Out Assault |
| AoA | American Optometry Association |
| AoA | Aircraft Operations Area (FAA) |
| AoA | Association of Otolaryngology Administrators |
| AoA | Airborne Optical Adjunct |
| AoA | Audi of America |
| AoA | American Orthopsychiatric Association |
| AoA | ACARS over AVLC (aviation data systems) |
| AoA | Asia-Oceania-Africa (region) |
| AoA | Axial Offset Anomaly |
| AoA | Asslam-O-Alaikum (Islamic greeting) |
| AoA | Annual Operating Agreement |
| AoA | Any One Accident (public liability insurance) |
| AoA | Ataxia-Oculomotor Apraxia Syndrome |
| AoA | Australian Ostrich Association |
| AoA | Americolor Opera Alliance (Atlanta, GA) |
| AoA | Apple of Archer (gaming, Ragnarok Online) |
| AoA | American Outlaws Association (motorcycle club) |
| AoA | Assist Other Agency |
| AoA | Amphibious Operating Area |
| AoA | Art of Astonishment (magic book) |
| AoA | Amphibious Operations Area |
| AoA | Add-On Architecture |
| AoA | Age on Arrival (second language acquisition ability hypothesis) |
| AoA | Area of Action (US DoD) |
| AoA | American Ordnance Association |
| AoA | Area Operating Agreement |
| AoA | Anarchists Of America |
| AoA | Abbreviated Operational Assessment |
| AoA | Area Originating Authority |
| AoA | Annual Operating Area |
| AoA | Assembly Operations Assessment |
| AoA | Antiochian Orthodox Archdiocese of America |
| AoA | Aqueduct Overlay Arch |
| AoA | Advise of Obligation Authority |
| AoA | Amplifier Operating Attributes (Ciena) |
| AoA | Academies of Americas (Houston, TX) |
| AoA | Age of Acronyms |
| AoA | Area Office Augmentee |