AAG may refer to:

• Ambrak language, a Torricelli language of Papua New Guinea
• Assistant adjutant general, a military title
• United States Assistant Attorney General, a ranking within the Department of Justice

• Advanced Arresting Gear, an aircraft arresting system
• Air Atlantique, ICAO airline designator
• American Airlines Group
• IATA airport code for Avelino Vieira Airport in Arapoti, State of Paraná, Brazil

• American Advisors Group

• Aag (1948 film), a 1948 Bollywood film
• Aag (1994 film), a 1994 Bollywood film
• Aag (2007 film), a 2007 Bollywood film
• AAG TV, a Pakistani TV channel

• Acute angle closure glaucoma
• alpha-1-acid glycoprotein, also referred to as Orosomucoid (ORM)
• alkyladenine glycosylase; see Deamination
• Autoimmune autonomic ganglionopathy
• AAG, a codon for the amino acid lysine

• American Association of Geographers
• Association of Applied Geochemists
• Athletics Association of Guyana

• AAG (cable system), an undersea cable system linking South East Asia with the United States of America

• AAG (1900 automobile), a German automotive company

• Agni (disambiguation)
• Agnee (disambiguation)