AAV

AAV or Aav may refer to:

Businesses

 * Advantage Oil & Gas Ltd., a Canadian oil and gas company
 * Allah Valley Airport (IATA airport code), in Allah Valley, Mindanao, Philippines
 * Arab American Vehicles, a car assembler in Egypt
 * Armstrong Studios, an Australian recording studio later renamed AAV

Language

 * African American Vernacular English
 * Austroasiatic languages, a language group of Southeast Asia

Military

 * Anomalous Aerial Vehicle, a military term for an unidentified flying object
 * Anti-aircraft vehicle, or self-propelled anti-aircraft weapon
 * 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
 * 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, Latin: Archivum Apostolicum Vaticanum