| Abbreviation | Definition |
|---|---|
| MFS | Freight Service |
| MFS | Multi-Function Steeringwheel |
| MFSAB | Multi-Function School Activity Bus |
| MFT | Meter Fix Time / Slot Time |
| MFV | Mobile Food Vehicles |
| MFV | Multi Functional Vehicle |
| MFVS | Mid field Vehicle Search |
| MG | Might Go |
| MGBS | Mahatma Gandhi Bus Stand |
| MGNR | Midland and Great Northern Railway |
| MGW | Maximum Gross Weight |
| MH | Maintenance Hole (non-gender specific rendition of manhole) |
| MHA | Minimum Holding Altitude |
| MHC | Mechanical Hydraulic Control |
| MHEV | Mild Hybrid Electric Vehicle |
| MIA | Miami International Airport |
| MIA | Minimum IFR (Instrument Flight Rules) Altitude |
| MIAA | Manila International Airport Authority |
| MIAS | Muskoka International Air Show |
| MIC | Maximum Import Capacity |