| IRRC | Individual Risk Reduction Counseling | 个人风险降低咨询 |
| IRRC | Issue, Repair and Requisition Restriction Code | 发布、维修和申请限制代码 |
| IRRC | Iowa Railroad Company | 爱荷华州铁路公司 |
| IRRC | Idaho Rangeland Resource Commission | 爱达荷州牧场资源委员会 |
| IRRC | Investor Responsibility Research Center | 投资者责任研究中心 |
| IRRC | Independent Regulatory Review Commission | 独立监管审查委员会 |