| Acronym | Definition |
|---|
| ACG | American College of Gastroenterology |
| ACG | Academic Competitiveness Grant |
| ACG | Association for Corporate Growth |
| ACG | American College of Greece |
| ACG | Anti-Counterfeiting Group (trade association) |
| ACG | All Condition Gear (Nike) |
| ACG | Advanced Composites Group |
| ACG | Angle Closure Glaucoma |
| ACG | American Council on Germany |
| ACG | Association Canadienne des Géographes (Canadian Association of Geographers) |
| ACG | Association Canadienne des Géographes (Canada) |
| ACG | Adjusted Clinical Group (formerly Ambulatory Care Group) |
| ACG | Auriemma Consulting Group |
| ACG | Association Canadienne de Gérontologie (Canadian Association on Gerontology) |
| ACG | Air Control Group (USAF) |
| ACG | Affiliation of Christian Geologists |
| ACG | Asset Consulting Group |
| ACG | Application Consulting Group |
| ACG | Ambulatory Care Group (now Adjusted Clinical Group) |
| ACG | Alice Cooper Group (band) |
| ACG | Australian Citrus Growers Inc. |
| ACG | Azeri Chirag Gunashli Field (Caspian Sea oil field) |
| ACG | Air Commando Group |
| ACG | Association Canadienne de Gastroenterologie (Canadian Association of Gastroenterology) |
| ACG | Automatic Code Gapping |
| ACG | Achondrogenesis |
| ACG | Alternating Current Generator |
| ACG | Automotive Consulting Group |
| ACG | Accelerator Globulin |
| ACG | Advanced Computing Group |
| ACG | Address Coding Guide |
| ACG | Arts Consulting Group |
| ACG | Access Consulting Group |
| ACG | Andrews Consulting Group |
| ACG | Actuarial Consulting Group |
| ACG | Anime, Comics, and Games |
| ACG | Automatic Call Gapping |
| ACG | Asymptotic Coding Gain |
| ACG | Automatic Call Gap |
| ACG | Armada Consulting Group (Timonium, MD) |
| ACG | Amphibious Combat Group |
| ACG | Alumni Consulting Group (Greenwood Village, CO) |
| ACG | Acorn Computer Group |
| ACG | Australian Consulate General |
| ACG | Airline Consulting Group (UK) |
| ACG | Acción Cristiana Guatemalteca (Guatemalan Christian Action Group) |
| ACG | Academy of Computer Graphics (Delhi, India) |
| ACG | Athens Consulting Group, Inc. |
| ACG | Applied Computational Geometry |
| ACG | Area Coordination Group |
| ACG | Abrams Consulting Group |
| ACG | Aurora Consulting Group (Aurora, NY) |
| ACG | Apelbaum Consulting Group Pty Ltd (Australia) |
| ACG | Access Control Gate (transportation) |
| ACG | Airborne Coordinating Group |
| ACG | Auxiliary Coastguard |
| ACG | Acquisition Coordinating Group |
| ACG | Assignment Coordination Group |
| ACG | Access Customer Gateway |
| ACG | Automatic Contingency Generation |
| ACG | Aviation Consulting Group, LLC (Ormond Beach, Florida) |
| ACG | Automobile Club Group (insurance company) |
| ACG | Asheron's Call Guilds (hosting for AC players) |
| ACG | Atlanta Counseling Group |
| ACG | Alliance Consulting Group, Inc |
| ACG | Air Cargo Glider |
| ACG | Allied Command Group |
| ACG | Automatic Crosstell Gate |
| ACG | Automatic Cross Generation |
| ACG | Asia Consultancy Group Pte Ltd. |
| ACG | Appalachian Consulting Group (Cleveland, GA) |
| ACG | Analytical Consulting Group, Inc. (Ventura, California) |
| ACG | Applegate Consulting Group (Takoma Park, MD) |
| ACG | Achievement Consulting Group, Inc (Saugus, MA) |
| ACG | Afshar Consulting Group, Inc. |
| ACG | Ascot Consulting Group Ltd (Hong Kong) |
| ACG | Alders Consulting Group |
| ACG | Australia Climate Group |
| ACG | Amrita Consulting Group |
| ACG | Angel Consulting Group |