| MIRC | Member of the Idle Rich Class (Man and Superman, George Bernard Shaw book) | 闲置富人阶层成员(《人与超人》,乔治·萧伯纳的书) |
| MIRC | Military Intelligence Reserve Command | 军事情报后备司令部 |
| MIRC | Mardam-Bey's Internet Relay Chat | Mardam-Bey的因特网继电器聊天 |
| MIRC | Moo/Mu Internet Relay Chat | 哞/亩因特网继电器聊天 |
| MIRC | Mediation Information & Resource Center | 调解及信息资源中心 |
| MIRC | Multi-user Internet Relay Chat | 多用户Internet中继聊天 |
| MIRC | Metsovion Interdisciplinary Research Center (Greece) | Metsovion跨学科研究中心(希腊) |
| MIRC | Medical Imaging Resource Center | 医学影像资源中心 |
| MIRC | Microsoft Internet Relay Chat | Microsoft Internet中继聊天 |
| MIRC | My Internet Relay Chat | 我的Internet中继聊天 |
| MIRC | Medical Image Resource Center | 医学影像资源中心 |
| MIRC | Management Information Report Control (Legalmaster software) | 管理信息报告控制(Legalmaster软件) |
| MIRC | Micro Infrared Camera | 微型红外相机 |
| MIRC | Musical Instrument Reclamation Corporation | 乐器回收公司 |
| MIRC | M Internet Relay Chat | M Internet中继聊天 |
| MIRC | Multiple Internet Relay Chat | 多个Internet中继聊天 |
| MIRC | Modified Internet Relay Chat | 修改的Internet中继聊天 |