VAG is a three-letter abbreviation that may refer to:
- Vereinigte Astronomische Gesellschaft, astronomy society
- Volkswagen Audi Group - an obsolete name (1978-1992) of the current Volkswagen Group (Volkswagen AG), a German automaker.
- The Vancouver Art Gallery in Vancouver, British Columbia, Canada
- Visitor Attraction Gazette, a bi-monthly publication in Scotland focusing on the Visitor Attraction Sector.
- V.A.G, a Portuguese manufacturer of cycles.
- VAG is also a brend "VAG-Armaturen GmbH" company
VAG in German: VAG
VAG in Esperanto: VAG
VAG in Italian: VAG