| Abbreviation | Definition |
|---|---|
| GCCI | Gold Crown Club International |
| GCCO | Garden City Club Osaka |
| GCFC | German Canadian Football Club |
| GCFC | Grilled Cheese Fan Club |
| GCFF | Gold Country Fly Fishers |
| GCFM | Garden Club Federation Of Maine |
| GCFM | Garden Club Federation of Massachusetts |
| GCFP | Garden Club Federation of Pennsylvania |
| GCGB | Golf Club Great Britain |
| GCI | Global Clubfoot Initiative |
| GCMA | Golf Club Managers' Association |
| GCMP | Garden Club of Mount Prospect |
| GCO | The Gentlemens Club Outernet |
| GCOM | Games Club Of Maryland |
| GCSC | Garden Club of South Carolina |
| GCUF | Golf Club Unna Fröndenberg |
| GCV | Garden Club of Virginia |
| GCW | Golf Club Wankers |
| GCWC | Gold Club World Championship |
| GCWC | Gold Coast Weightlifting Club |