Argentina (AG, WMO country code)

Agriculture (Ag), industry shorthand

Armenian Genocide, a commonly used abbreviation for the Armenian Genocide.

AG, the FIPS country code and obsolete NATO digram for Algeria

Antigua and Barbuda (AG, the 2-letter ISO country code)

Ag from the Latin Argentum is the chemical symbol for silver

American Gladiators, Sports television series.

Assemblies of God (AG), the world's largest Pentecostal organization

Air Gear, a shōnen manga and anime by the mangaka Oh! great

Artificial gravity (AG), a simulation of gravity in outer space

Attorney General (AG), the main legal adviser to the government in most common law jurisdictions.

Applegeeks, an online web comic centering around five college students

Agrigento (Fu), a Sicilian commune

Antigen (Ag), an immunology term for a substance that stimulates an immune response

Mensa Annual Gathering (AG) convention in several countries

Aargau (AG), a Swiss canton

Showbiz and A.G., the hip-hop MC whose name abbreviates the phrase Andre the Giant

.ag, the ccTLD for Antigua and Barbuda

Adjutant General, the Army branch responsible for personnel

"Aktiengesellschaft" (AG), a German acronym on company names, meaning "public company"

Galveston Railroad (AG reporting mark), Association of American Railroads

Air Contractors (AG IATA code), a freight airline

Atuagagdliutit/Grønlandsposten, one of the two nation-wide newspapers in Greenland

Addleshaw Goddard, an English law firm

Aerographer's Mate, a rating or speciality in the US Navy that deals with weather and oceanography

AG (file systems), a subvolume in a file system

Action Group (Nigeria) (AG), a political party during the Nigerian First Republic

The term pertains to students or teams at some historic land grant, mechanical & agricultural...

Avram Grant, manager of Chelsea F.C. in England

Ág, a village in Hungary

Agamous, a homeobox gene from Arabidopsis thaliana and which plays a role in The ABC Model of Flower Development

AG, head of government in Namibia prior to independence in 1990