| Acronym | Definition |
|---|
| GCGC➣Great Canadian Gaming Corporation (British Columbia, Canada) |
| GCGC➣Gulf Coast Geospatial Center (est. 2001; US NASA) |
| GCGC➣German Corporate Governance Code |
| GCGC➣Godalming Community Gospel Choir (UK) |
| GCGC➣Gloucester Community Gymnastics Challengers (Canada) |
| GCGC➣Greater Columbus Growing Coalition (Columbus, OH) |
| GCGC➣Gulf Coast Gaming Club |
| GCGC➣Giant Connective Glial Cell (neuroscience) |