| Abbreviation | Definition |
|---|---|
| MEL | Mercury Edsel And Lincoln |
| MEM | Memphis International Airport |
| MER | Marine Environmental Response |
| MERIT | Model to Evaluate the Reliability of Infrastructure and Timetables |
| MERIT | Money Earned Requiring Individual Time |
| METAF | Meteorological Terminal Aviation Weather Forecast |
| METAR | Meteorological Terminal Aviation Routine Weather Report |
| METP | Maine Turnpike |
| METSS | Monthly Energy Transportation and Storage Survey |
| METW | Military Emergency Travel Warrant |
| MEV | Mills Extreme Vehicles |
| MEV | Mission Extension Vehicle |
| MEV | My Electric Vehicle |
| MFC | Many Fast Cars |
| MFC | Mini Fast Car |
| MFFML | Motorcykel- Forhandler Foreningen & Motorcykelbranchens Landsforbund |
| MFI | Mechanical Fuel Injection |
| MFN | Miles From Nowhere |
| MFP | Metering Fuel Pump |
| MFP | Multi-Factor Productivity |