| Acronym | Definition |
|---|
| GRRC | Governor's Regulatory Review Council (Arizona) |
| GRRC | Global Rust Reference Center (est. 2008; Denmark) |
| GRRC | Gävle Rockin Rollin Club (Gävle, Sweden) |
| GRRC | Groupe de Réflexion sur la Recherche Cardiovasculaire (French: Reflection Group on Cardiovascular Research) |
| GRRC | Galesburg Road Runners Club (Galesburg, IL) |
| GRRC | Garvaghy Road Residents Coalition (UK) |
| GRRC | Gandhi Rural Rehabilitation Center (India) |
| GRRC | Grand Rapids Running Club (Grand Rapids, MI) |
| GRRC | Goodwood Road Racing Club (UK) |
| GRRC | Georgetown Reading and Research Centre (Guyana) |
| GRRC | Grassroots Radio Colorado |
| GRRC | Ground Robotics Reliability Center (University of Michigan) |
| GRRC | Greater Ridgewood Restoration Corporation (est. 1975; New York, NY) |
| GRRC | Greater Rochester Rottweiler Club (dog club; Rochester, NY) |
| GRRC | Global Regulatory and Risk Consultants |
| GRRC | Guilan Rheumatology Research Center (Iran) |
| GRRC | Gopher Rifle and Revolver Club (Minneapolis, MN) |
| GRRC | Global Radiation Research Canada (est. 2012) |
| GRRC | Ghost Riders Riding Club (motorcycle club; Canada) |
| GRRC | Greater Rochester Repertory Company (New York) |
| GRRC | Grand Resource & Recycle Coalition (Colorado) |
| GRRC | Ground Radio Repair Course |
| GRRC | Green River Riding Club (Canada) |