| Acronym | Definition |
|---|
| CGC | Canine Good Citizen (AKC Dog Title) |
| CGC | Canadian Grain Commission |
| CGC | Coast Guard Cutter |
| CGC | Commission Géologique du Canada (Geological Survey of Canada) |
| CGC | consumer-generated content (user-edited web/internet sites) |
| CGC | Confédération Générale des Cadres (French labor union) |
| CGC | Credit Guarantee Corporation (Malaysia Berhad) |
| CGC | Commonwealth Grants Commission (Australia) |
| CGC | Compañia General de Combustibles (Spanish; Argentine oil company) |
| CGC | Capillary Gas Chromatography |
| CGC | Canadian Geoscience Council |
| CGC | Conspicuous Gallantry Cross (UK military decoration) |
| CGC | California Government Code |
| CGC | Complementary Ground Component (Europe) |
| CGC | Cascade Natural Gas Corporation (stock symbol) |
| CGC | Conseil Gabonais des Chargeurs (French: Gabonese Shippers Council; Gabon) |
| CGC | Church of God in Christ |
| CGC | Community Government Council (Northern Territory, Australia) |
| CGC | Contraloria General de Cuentas (Guatemala) |
| CGC | Coalition for Gun Control (Canada) |
| CGC | Comics Guaranty Corporation (comic book grading service) |
| CGC | Certificate of Good Conduct |
| CGC | Circuit Group Congestion |
| CGC | Centre Georges Chevrier (French: Georges Chevrier Center) |
| CGC | Community Gospel Church |
| CGC | Chicago Glider Club (aviation) |
| CGC | Christian Gospel Center |
| CGC | Colorado Gardener Certificate |
| CGC | Command Guidance Computer (NASA) |
| CGC | Changi Golf Club (Singapore) |
| CGC | Compagnie Générale de Cosmétique (French: General Cosmetic Company) |
| CGC | Communications Ground Control |
| CGC | Coordination Group for the Composite Observing System for the North Atlantic |
| CGC | Component Group Code |
| CGC | Combat Gap Crosser |
| CGC | Channel-Gain Correlation |
| CGC | Calavo Growers of California |
| CGC | Convolutional Goppa Code |
| CGC | Central Greenwich College (UK) |
| CGC | Cape Girardeau County (Missouri) |
| CGC | Continental Grain Company (various locations) |
| CGC | Centre for Green Chemistry (Monash University; Australia) |
| CGC | Conrad Grebel College (Canada) |
| CGC | Common Ground Community |
| CGC | Compagnie Générale de Construction (French: General Construction Company) |
| CGC | Comprehensive Guidance and Counseling (Oregon Department of Education) |
| CGC | Central Gulf Coast (various organizations) |
| CGC | Combinatorics, Geometry and Computation (educational program) |
| CGC | Capital Group Companies (various locations) |
| CGC | Champion Gamers Clan (gaming clan) |