| IRTC | Internet Ray Tracing Competition | 互联网光线追踪比赛 |
| IRTC | Independent Radio and Television Commission | 独立广播电视委员会 |
| IRTC | Investment Recovery Trade Corporation (Asset Management & Liquidation Exchange) | 投资贸易公司(资产管理和清算交易) |
| IRTC | International Road Tar Conference | 国际道路沥青会议 |
| IRTC | Instructional Technology Resource Center | 教学技术资源中心 |
| IRTC | International Research And Training Center | 国际研究与培训中心 |