Other
- Armor Games, a global flash game site.
- Academically Gifted
- Acoustic guitar, a type of guitar
- Ambiguously gay, in lesbian culture
- Administrator-General, head of government in Namibia prior to independence in 1990
- 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 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.
- Asian Games
- Atuagagdliutit/Grønlandsposten, one of the two nation-wide newspapers in Greenland
- Pocket Monsters Advanced Generation (AG), a season of the Pokémon anime, begun in 2002 and ended in 2004
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