MFD
- History of the floppy disk
- History of the floppy disk
- IATA
- Madison Fire Department
- Mansfield Lahm Regional Airport
- Microfarad
- Milwaukee Fire Department
- Minneapolis Fire Department
- Minoan Flying Dolphins
- Mladá fronta DNES
- Mode field diameter
- Modular function deployment
- Multifunction device
- Multifunction display
- Mumbai Fire Brigade
- Mutation Frequency Decline