| Acronym | Definition |
|---|
| GCG➣Genetics Computer Group |
| GCG➣Garden City Group (various locations) |
| GCG➣Grand Coalition Government (Kenya) |
| GCG➣Gain Capital Group (various locations) |
| GCG➣Gulf Commercial Group (various locations) |
| GCG➣Good Corporate Governance |
| GCG➣Glucagon |
| GCG➣Generalized Chaplygin Gas (cosmology) |
| GCG➣Gypsy Chief Goliath (band) |
| GCG➣Garden Club of Georgia (est. 1928) |
| GCG➣Global Consumer Group |
| GCG➣Gallocatechin Gallate (catechin) |
| GCG➣Great Canadian Grid (virtual network) |
| GCG➣Gabriel Consulting Group (Beaverton, OR) |
| GCG➣Gala Coral Group (gambling; UK) |
| GCG➣Globalization for the Common Good |
| GCG➣Gaiety Cinema Group (Ireland) |
| GCG➣Global Church of God |
| GCG➣Good Catholic Girl |
| GCG➣Generalized Conjugate Gradient |
| GCG➣Global Change Game |
| GCG➣Geological Curators' Group |
| GCG➣Giant-Cell Granuloma |
| GCG➣Guidance Control Group |
| GCG➣Gwaen Cae Gurwen (South Wales village) |
| GCG➣Great Ceasar's Ghost (band) |