AAV or Aav may refer to:
Aviation
* Anomalous Aerial Vehicle, a military term for an
unidentified flying object
An unidentified flying object (UFO) is an object or phenomenon seen in the sky but not yet identified or explained. The term was coined when United States Air Force (USAF) investigations into flying saucers found too broad a range of shapes ...
* Anti-aircraft vehicle, or
self-propelled anti-aircraft weapon
An anti-aircraft vehicle, also known as a self-propelled anti-aircraft gun (SPAAG) or self-propelled air defense system (SPAD), is a mobile vehicle with a dedicated anti-aircraft warfare, anti-aircraft capability.
Specific weapon systems used ...
* IATA airport code for
Allah Valley Airport in Soccsksargen Region, Philippines
Businesses
*
Advantage Oil & Gas Ltd., a Canadian oil and gas company
* Arab American Vehicles, a car assembler in Egypt
*
Armstrong Studios, an Australian recording studio later renamed AAV
Language
*
African American Vernacular English
African-American Vernacular English (AAVE) is the variety of English natively spoken, particularly in urban communities, by most working- and middle-class African Americans and some Black Canadians. Having its own unique grammatical, voca ...
*
Austroasiatic languages
The Austroasiatic languages ( ) are a large language family spoken throughout Mainland Southeast Asia, South Asia and East Asia. These languages are natively spoken by the majority of the population in Vietnam and Cambodia, and by minority popu ...
, a language group of Southeast Asia
Military
*
Assault Amphibious Vehicle or Amphibious Assault Vehicle, an amphibious tracked vehicle
People
*
Aav (surname), Estonian surname
*
Aníbal Acevedo Vilá, governor of Puerto Rico (2005-2008)
Other uses
*
Adeno-associated virus, a nonpathogenic virus used as a gene therapy tool
* Air admittance valve, a valve in a
drain-waste-vent system
A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to preve ...
*
Aire d'attraction d'une ville, a metropolitan statistical area used by the French national statistics office
INSEE
*
Another Angry Voice, a British political blog
*
Vatican Apostolic Archive
The Vatican Apostolic Archive (; ), formerly known as the Vatican Secret Archive (; ), is the central repository in the Vatican City of all acts promulgated by the Holy See.
The Pope, as the sovereign of Vatican City, owns the material held ...
, Latin: ''Archivum Apostolicum Vaticanum''
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