| Acronym | Definition |
|---|
| MMRC | Multiple Myeloma Research Consortium |
| MMRC | Modified Medical Research Council |
| MMRC | Mature Market Resource Center |
| MMRC | Microelectronics Marketing Research Council |
| MMRC | Middlesbrough Model Railway Club (UK) |
| MMRC | Movable Mass Roll Control |
| MMRC | Mississippi Medical Reserve Corps |
| MMRC | Multi-Mode Radar Command |
| MMRC | Macrodiversity Maximal Ratio Combining |
| MMRC | Mobilization Material Repair Capability |
| MMRC | Malmö Mini Racing Club (Malmö, Sweden) |
| MMRC | Montrose Motorcycle Riding Club |
| MMRC | MMU Motorsports and Recreational Club |