| MIRC | Macro Internet Relay Chat 
| Others |
| MIRC | Management Information and Resource Centre
| Others |
| MIRC | Management Information Report Control
| Others |
| MIRC | Marine Information Research Center
| Others |
| MIRC | Mass Information Retrieval Connection
| Others |
| MIRC | McMaster Immunology Research Centre
| Others |
| MIRC | Mechanized Infantry Regiment Centre (India)
| Others |
| MIRC | Medicaid Innovation and Reform Commission
| Others |
| MIRC | Medical Image Resource Center
| Others |
| MIRC | Medical Imaging Research Center
| Others |
| MIRC | Medical Imaging Resource Center
| Others |
| MIRC | Medical Imaging Resource Community
| Others |
| MIRC | Member of the Idle Rich Class
| Others |
| MIRC | Messenger Internet Relay Chat
| Others |
| MIRC | Michigan Immigrant Rights Center
| Others |
| MIRC | Microelectronics Research Center
| Others |
| MIRC | Microsoft Internet Relay Chat
| Others |
| MIRC | Midlands Innovation and Research Centre
| Others |
| MIRC | Military Intelligence Reserve Command
| Others |
| MIRC | Minnesota Intelligent Rural Communities
| Others |
| MIRC | Mississippi Instructional Resource Center
| Others |
| MIRC | Missouri Instructional Resource Center
| Others |
| MIRC | Missouri Interagency Recycling Committee
| Others |
| MIRC | MITS Innovation and Research centre
| Others |
| MIRC | Modified Internet Relay Chat
| Others |
| MIRC | Morgridge International Reading Center
| Others |
| MIRC | Moving Image Research Collections
| Others |
| MIRC | MSX Infra Red Controller
| Others |
| MIRC | Multiple Internet Relay Chat
| Others |
| MIRC | Multiuser Internet Relay Chat
| Others |
| MIRC | Musical Instrument Reclamation Corporation
| Others |
| MIRC | Musical Instrument Repair Corporation
| Others |
| MIRC | My Internet Relay Chat
| Others |