MCMR
| Acronym | Definition |
|---|---|
| MCMR | Music Cities Mobile Recording (Shelbyville, TN) |
| MCMR | Multi-Channel Multi-Radio |
| MCMR | Maryland Central Model Railroad Club (Rockville, MD) |
| MCMR | Minder Corvee Meer Resultaat (Dutch training firm) |
| MCMR | Michigan Critical Materials Register |
| MCMR | Mine Counter Measures Report |
| MCMR | Mast Cell Mediator-Releasing (immunology) |