ACG may refer to:
Science, technology, and health care
A codon of threonine in genome expression Acoustocerebrography, a transcranial acoustic diagnostic method Alternating current generator, a type of electric generator American College of Gastroenterology, a professional association of gastroenterologists Angiocardiography, contrast radiography of the heart and great vessels Angle closure glaucoma, a type of glaucoma Anterior cingulate gyrus, a part of the cingulate cortex Apexcardiogram, a graphical recording of the pulsations of the chest wall over the apex of the heart
Places
Acocks Green railway station, in the UK, from its National Railway code Área de Conservación Guanacaste, a network of protected areas and a World Heritage site in northwestern Costa Rica Azeri-Chirag-Guneshli, an oilfield in the Caspian Sea
Education and business organizations
Academic Colleges Group, a New Zealand Educational Company Air Cargo Germany, a former cargo airline The Air Combat Group RAAF of the Royal Australian Air Force American College for Girls, now called Robert College, of Istanbul American College of Greece, an academic institution in Greece Associated Carrier Group, a US industry association of CDMA cellular network operators Association for Corporate Growth, an organization providing a global community for mergers and acquisitions and corporate growth professionals
Entertainment
ACG (subculture), Animation, Comics, and Games subculture in Greater China American Comics Group, a comic-book publisher in the Golden Age of comic books Ashby Computers & Graphics, video game developer trading as Ultimate Play the Game A Core Game, a Roblox "core" game
Other uses
Academic Competitiveness Grant, an assistance grant for college students in the US Atlético Clube Goianiense, a Brazilian football team All Conditions Gear (ACG), a Nike subdivision