AV and variants may refer to:

Companies and organizations

• Avaya, a company listed on the New York Stock Exchange with symbol "AV"
• the IATA code for the airline Avianca
• Aston Villa F.C., an English football club
• AV Akademikerverlag GmbH & Co. KG, an imprint of the German group VDM Publishing
• Aviva, British insurance company, listed on the London and New York Stock Exchange's as "AV"

Entertainment

• Adult video
• AV idol, a type of Japanese porn star
• A.V. (film), a 2005 Hong Kong film directed by Pang Ho-Cheung
• Audio-visual

Military

• AV, the designation for "seaplane tender" in the United States Navy's ship classification system
• Aviation, a military acronym or shorter version
• AeroVironment, Inc., makers of Unmanned Aircraft Vehicles and Unmanned Aircraft Systems for the military

Places

• Anguilla, FIPS 10-4 code and obsolete NATO digram
• Antelope Valley, a desert region of northern Los Angeles County, California, in the US
• Province of Avellino, a province of Italy in the ISO 3166-2:IT code
• Avalon, New Jersey, a beach town in southern New Jersey

Science

• Gold, in the field of numismatics - from the Latin spelling of Aurum, Avrvm
• Annular velocity, in Fluid dynamics
• Apparent viscosity, in Fluid dynamics
• atrioventricular (disambiguation) or arteriovenous, various meanings in medicine
• A V, an A-type main sequence star
• Bavarian A V, a 1853 steam locomotive model

Technology

• Anti-virus, antivirus software
• Audio and video connector, a cable between two devices
• Aperture priority, Av (Aperture value) is a common abbreviation on a camera mode dial
• Access violation, a common computer software error

Voting

• Alternative Vote, a ranking system
• Approval voting, a non-ranking system
• America Votes, an organisation

Other uses

• Authorised King James Version of the Bible
• Avenue, see Road (Ave. is more frequent)
• AV (cyclecar)
• Av (month), a month in the Hebrew calendar
• ISO 639-1 code of the Avar language

See also

• A5 (disambiguation)

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