| Acronym | Definition |
|---|
| IGRC➣Illinois Great Rivers Conference (United Methodist Church) |
| IGRC➣International Gas Research Conference |
| IGRC➣Inmate Grievance Resolution Committee |
| IGRC➣Intergovernmental Relations Committee |
| IGRC➣International Ground Robotics Competition |
| IGRC➣Internationale Gesellschaft Rosalia Chladek |
| IGRC➣Investors' Grievance Redressal Committee |
| IGRC➣International Geodynamics Research Center |
| IGRC➣Indonesian Genetic Resource Collection |
| IGRC➣Interim Gender Recognition Certificate (UK) |
| IGRC➣Information Gain Ratio for Clustering |
| IGRC➣International Green Roof Congress |
| IGRC➣Image Graphics Recording Center (Image Graphics) |
| IGRC➣Italian Greyhound Rescue of Colorado |
| IGRC➣ionotropic glutamate receptor channel |
| IGRC➣Ile de Groix Rugby Club (France) |