{{wiktionary|AOA}}

'''Aoa''', '''AOA''', or '''AoA''' may refer to: {{TOC right}}

==Government== * Agreement on Agriculture, a World Trade Organization treaty * Administration on Aging, a health agency of the United States * Angolan kwanza, the currency of Angola * Auxiliary Organizations Association, an organized body related to the California State University system * Analysis of Alternatives, form of trade study used by the Department of Defense

==Science and health== *Aoa affinis, a species of butterflies in the family Pieridae *Age of acquisition, a psycholinguistic term *Alpha Omega Alpha, a medical honor society *American Optometric Association, a health association *American Osteopathic Association, a medical association *Ammonia-oxidizing archaea performing oxidation of ammonia into nitrite (Nitrification) *Angle of arrival, direction from which a radio wave arrives at an antenna array * Angle of attack, a measure of a body through a fluid *Australian Orthopaedic Association, a not-for-profit organisation

==Administration== *Analysis of Alternatives, a method of analyzing choices *Articles of association, a document that establishes the basic details of a corporation * Activity on arrow, the activities on the arrows of the arrow diagramming method in project planning

==Aviation== *Air operations area, the area of an airport used for landing, takeoff, or surface maneuvering of aircraft * Airport Operators Association, a trade association for UK airport operators * American Overseas Airlines, a former transport company *Angle of attack, the angle between the chord line of the wing of a fixed-wing aircraft and the vector representing the relative motion between the aircraft and the atmosphere *Abort once around, a type of Space Shuttle abort mode

==Entertainment== * AOA (group), a South Korean girl group debuted in 2012 *Act of Aggression, video game *Age of Apocalypse, a comic storyline *Aniplex of America, an anime licensor *Armies of Arcana, a tabletop war game *The Axis of Awesome, an Australian comedy band

==Other== * ʻAoa, a village in American Samoa *Adam-Ondi-Ahman, a sacred location for the Latter Day Saints *American Outlaws Association, a motorcycle club *Andrews Osborne Academy, a school *As-salamu alaykum, traditional meeting between Muslims, coined in late 90's by M. Shomail Haider

*Automated online assistant, a program that attempts to assist users {{disambiguation}}