| Acronym | Definition |
|---|
| MCFR➣Marion County Fire Rescue (Florida) |
| MCFR➣Music Comes First Records (Independent Scottish hiphop label) |
| MCFR➣Montreal Council on Foreign Relations (Montreal, Quebec, Canada) |
| MCFR➣Marine Corps Firing Range |
| MCFR➣Minimal Coronary Flow Resistance (cardiology) |
| MCFR➣Mean Cumulative Fluoride Release (mouthrinse) |
| MCFR➣Maximal Cell Flow Resistance (red blood cells) |