| Acronym | Definition |
|---|
| MRFS➣Mechanical Returnless Fuel System |
| MRFS➣Multiple Risk Factor Syndrome |
| MRFS➣Modular Rail Forend System (firearms) |
| MRFS➣Montebello Rehabilitation Factor Score (improvement assessment) |
| MRFS➣Management of Recreation Facilities and Services (university curriculum; various universities) |
| MRFS➣Median Relapse-Free Survival |
| MRFS➣Mid-Range Force Study |