| AGC | Academy for Global Citizenship 
| Others |
| AGC | Active Group Count
| Others |
| AGC | Adaptive Gain Control
| Others |
| AGC | Adjutant Generals Corps
| Others |
| AGC | Adobe Genuine Copy
| Others |
| AGC | Adobe Global Community
| Others |
| AGC | Advanced Gamma Corrector
| Others |
| AGC | Advanced Gastric Cancer
| Others |
| AGC | Advanced Graduate Certificate
| Others |
| AGC | Advanced Grip Control
| Others |
| AGC | Advanced Ground Contact
| Others |
| AGC | Aerographer's Mate Chief Petty Officer
| Others |
| AGC | Africa Gospel Church
| Others |
| AGC | After Game Completion
| Others |
| AGC | Agaric Git Clone
| Others |
| AGC | Agra Cantt railway station
| Others |
| AGC | Alexandre Group Company, Incorporated
| Others |
| AGC | All Gen Camaros
| Others |
| AGC | All Grip Control
| Others |
| AGC | Alpine Gordini Club
| Others |
| AGC | American Gaming Console
| Others |
| AGC | American Gasket Company
| Others |
| AGC | American General Contractors
| Others |
| AGC | American Grassland Council
| Others |
| AGC | Amphibious Group Command
| Others |
| AGC | Amplitude Gain Control
| Others |
| AGC | Andre Gustave Citroen
| Others |
| AGC | Apollo Guidance Computer
| Others |
| AGC | Apollo Guidance Control
| Others |
| AGC | Army Geospatial Center
| Others |
| AGC | Asahi Glass Company
| Others |
| AGC | Ashanti (Asante) Goldfields Corporation
| Others |
| AGC | Asian Greek Council
| Others |
| AGC | Asphalt Gold Club
| Others |
| AGC | Assistant General Counsel
| Others |
| AGC | Associated General Contractors
| Others |
| AGC | Associated General Contractors of America
| Others |
| AGC | Associated Gospel Churches
| Others |
| AGC | Associated Gun Clubs
| Others |
| AGC | Atypical Glandular Cells
| Others |
| AGC | Audio Gain Control
| Others |
| AGC | Authoritative Game Coordinator
| Others |
| AGC | Auto Gain Control
| Others |
| AGC | Auto Generated Content
| Others |
| AGC | Auto Glide Control
| Others |
| AGC | Autohub Group of Companies
| Others |
| AGC | Automated Guided Cart
| Others |
| AGC | Automatic Gain Control
| Others |
| AGC | Automatic Gain Controller
| Others |
| AGC | Automatic Gauge Control
| Others |
| AGC | Automatic Generation Control
| Others |
| AGC | Automatic Guided Cart
| Others |
| AGC | Automotive Glass Cartridge
| Others |
| AGC | Command Ship (Auxiliary, General, Command)
| Others |