| Acronym | Definition |
|---|
| MIRC➣My Internet Relay Chat |
| MIRC➣Magnetic-Ink Character Recognition (banking) |
| MIRC➣Microelectronics Research Center |
| MIRC➣Management Information Report Control |
| MIRC➣Marine Information Research Center (Japan) |
| MIRC➣Medical Imaging Resource Center |
| MIRC➣Microsoft Internet Relay Chat (real-time messaging) |
| MIRC➣Mediation Information & Resource Center |
| MIRC➣Metsovion Interdisciplinary Research Center (Greece) |
| MIRC➣Member of the Idle Rich Class (Man and Superman, George Bernard Shaw book) |
| MIRC➣Multi-user Internet Relay Chat |
| MIRC➣Micro Infrared Camera |
| MIRC➣Mardam-Bey's Internet Relay Chat |
| MIRC➣Management Information Report Control (Legalmaster software) |
| MIRC➣Moo/Mu Internet Relay Chat |
| MIRC➣Military Intelligence Reserve Command |