Organizations

• Agrigento (Fu), a Sicilian commune
• "Aktiengesellschaft" (AG), a German acronym on company names, meaning "public company"
• Air Contractors (AG IATA code), a freight airline
• Assemblies of God (AG), the world's largest Pentecostal organization
• Action Group (Nigeria) (AG), a political party during the Nigerian First Republic
• Galveston Railroad (AG reporting mark), Association of American Railroads
• Addleshaw Goddard, an English law firm

People and types of people

• Attorney General (AG), the main legal adviser to the government in most common law jurisdictions.
• Showbiz and A.G., the hip-hop MC whose name abbreviates the phrase Andre the Giant
• Adjutant General, the Army branch responsible for personnel
• Avram Grant, manager of Chelsea F.C. in England
• Auditor General, an independent person or body that monitors governments and audits its operations; is similar to a Comptroller and Auditor General or Comptroller General in other jurisdictions.

Places

• .ag, the ccTLD for Antigua and Barbuda
• Aargau (AG), a Swiss canton
• AG, the FIPS country code and obsolete NATO digram for Algeria
• Antigua and Barbuda (AG, the 2-letter ISO country code)
• Argentina (AG, WMO country code)
• Mensa Annual Gathering (AG) convention in several countries
• Ág, a village in Hungary

Science

• Ag from the Latin Argentum is the chemical symbol for silver
• Artificial gravity (AG), a simulation of gravity in outer space
• Attogram (ag), the SI derivative unit of mass
• Antigen (Ag), an immunology term for a substance that stimulates an immune response
• Agamous, a homeobox gene from Arabidopsis thaliana and which plays a role in the ABC Model of Flower Development
• Astronomische Gesellschaft, a German astronomical society
• AG is sometimes used as a shorthand for the inequality of arithmetic and geometric means.

Other

• Acoustic guitar, a type of guitar
• Administrator-General, 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
• After Guild, a designation used to number years in the Dune universe
• AG (file systems), a subvolume in a file system
• Agriculture (Ag), industry shorthand
• Air Gear, a shōnen manga and anime by the mangaka Oh! great
• American Gladiators, Sports television series.
• Applegeeks, an online web comic centering around five college students
• Armenian Genocide, a commonly used abbreviation for the Armenian Genocide.
• Atuagagdliutit/Grønlandsposten, one of the two nation-wide newspapers in Greenland
• Miscellaneous Auxiliary (AG), hull classification for a type of United States Navy support ship
• Pocket Monsters Advanced Generation (AG), the latest series of the Pokémon anime, begun in 2002

See also

• Aggie