| Abbreviation | Definition |
|---|---|
| GECC | Glen Echo Country Club |
| GEGC | Golden Eagle Golf Club |
| GEGC | Good Earth Garden Club |
| GERC | Global ElliptiGO Riders Club |
| GESC | Gallatin Elite Soccer Club |
| GFC | Georgetown Football Club |
| GFC | Georgia Futbol Club |
| GFC | Glendale Fighting Club |
| GFNC | Geelong Field Naturalists Club |
| GFNC | Gisborne Football Netball Club |
| GFRC | Greater Framingham Running Club |
| GFSC | Glenwood Figure Skating Club |
| GFSC | Great Falls Soccer Club |
| GFSC | Greater Flemington Soccer Club |
| GFSC | Greenville Figure Skating Club |
| GFWC | General Federation of Women's Clubs |
| GGAC | Golden Gate Akita Club |
| GGBC | Geek Girls Book Club |
| GGBC | Golden Gate Badminton Club |
| GGBC | Goring Gap Boat Club |