AG

A&G, AG, Ag or ag may refer to

Businesses and organizations

 * A&G Railroad (former reporting mark AG)
 * Action Group (Nigeria), a political party during the Nigerian First Republic
 * Aktiengesellschaft, a German type of corporation
 * Assemblies of God, the world's largest Pentecostal organization
 * Associated Group, a Pakistani company
 * Astronomische Gesellschaft, a German astronomical society
 * IATA code for Aruba Airlines
 * Australian Greens, a political party

Entertainment

 * American Gladiators (1989–1996 TV series)
 * American Gladiators (2008 TV series)
 * Atarashii Gakko!, a Japanese girl group

Government and military

 * Adjutant general, the Army branch responsible for personnel
 * Administrator-General of South West Africa, the head of government in Namibia prior to independence in 1990
 * Aerographer's mate, a rating or specialty in the US Navy that deals with weather and oceanography
 * American Holland-class submarine (Amerikansky Golland), a class of Imperial Russian submarines
 * Army green, the color of the US Army service uniform and those of several other militaries
 * Attorney general, government lawyer or law enforcement officer in several legal systems
 * A US Navy hull classification symbol: Miscellaneous ship (AG)

People

 * Aaron Gordon (born 1995), American basketball player
 * Adrianne Gonzalez (born 1977), American musician who goes by the stage name AG
 * Adriano Goldschmied (born 1944), Italian fashion designer
 * A. G. Cook (born 1990), British pop music producer
 * A. G. Weinberger, Romanian musician and singer/songwriter
 * Alex Gonzaga (born 1988), Filipina singer who sometimes uses the abbreviated nickname AG
 * Ariana Grande (born 1993), American musician
 * Aurela Gaçe (born 1974), Albanian singer
 * Showbiz and A.G., a hip-hop duo from The Bronx (short for "André the Giant")

Places

 * .ag, the ccTLD for Antigua and Barbuda
 * Aargau, a Swiss canton
 * Ág, a village in Hungary
 * Algeria, FIPS country code
 * Province of Agrigento, a Province of Italy (ISO 3166-2:IT code AG)
 * Antigua and Barbuda, a twin-island nation lying between the Caribbean Sea and the Atlantic Ocean
 * Argentina, WMO country code
 * Argeș County, a county in Romania (ISO 3166-2:RO code AG)

Science and technology

 * Silver, symbol Ag, a chemical element
 * Agamous, a gene which plays a role in the ABC model of flower development
 * Allocation group, a sub-volume in a computer file system
 * Anion gap, a value calculated from the results of several medical tests
 * Antigen, a substance that stimulates an immune response
 * Astronomische Gesellschaft, a German astronomical society
 * Attogram, an SI derived unit of mass
 * Attribute grammar, in formal language theory
 * Inequality of arithmetic and geometric means, in mathematics
 * American Holland-class submarine (Amerikansky Golland), a class of Imperial Russian submarines

Other uses

 * Anno Graecorum, the Seleucid era, an ancient calendar
 * Atuagagdliutit/Grønlandsposten, a newspaper in Greenland
 * AG, dominical letter of a leap year starting on Sunday
 * Akzidenz-Grotesk, typeface