IMRR
| Acronym | Definition |
|---|---|
| IMRR | Illinois and Midland Railroad |
| IMRR | Insurance Medical Records Review (Genesis Claims Resolution, Inc.; Keller, TX) |
| IMRR | Interracial Multicultural Romance Readers (novel reading organization) |
| IMRR | Inspection Maintenance and Repair Record |
| IMRR | Institute of Magnetic Resonance Research (Australia) |