| Acronym | Definition |
|---|
| GARC | Goddard Amateur Radio Club |
| GARC | Global Alliance for Rabies Control (est. 2007) |
| GARC | Greater Ardoyne Residents Collective (UK) |
| GARC | Gadsden Amateur Radio Club (Alabama) |
| GARC | Geelong Amateur Radio Club (Australia) |
| GARC | Great American Rifle Conference |
| GARC | Grassroots Animal Rights Conference |
| GARC | Governance in Asia Research Centre (Hong Kong) |
| GARC | Grenada Amateur Radio Club |
| GARC | Grant Amateur Radio Club |
| GARC | Garland Amateur Radio Club (Texas) |
| GARC | Great American Royal Circus (Jacksonville, FL) |
| GARC | Guelph Amateur Radio Club |
| GARC | Gas-Air Ratio Control (boilers) |
| GARC | Glen Allan Recreation Complex (Alberta, Canada) |
| GARC | Goedgedacht Agricultural Resource Centre |
| GARC | Greenwood Amateur Radio Club (Greenwood, Nova Scotia, Canada) |
| GARC | Gambia Red Cross |
| GARC | Global AIDS Rehabilitation Centre |
| GARC | Graduate Academic Review Committee |
| GARC | Griffin Area Resource Center (Georgia) |
| GARC | Greenough Advanced Rescue Craft (rescue boat; Rapid Response Technology, LLC) |
| GARC | Gene Autry Roping Club (Oklahoma) |