| Acronym | Definition |
|---|
| IRGC➣Iranian Revolutionary Guard Corps |
| IRGC➣Islamic Revolutionary Guard Corps (Iran) |
| IRGC➣Iowa Racing and Gaming Commission |
| IRGC➣International Risk Governance Council |
| IRGC➣International Research Group on Charophytes (est. 1989) |
| IRGC➣International Rice Germplasm Center |
| IRGC➣ISPAN (Integrated Strategic Planning and Analysis Network) Requirements Governing Council (US DoD) |
| IRGC➣Inter-Realm Gaming Consortium (Hyperchat) |