What exactly is MF?
Mick Foley, retired professional wrestler.
Mylne Farmer, a Canadian-born French singer and songwriter.
Mainframe, in computing
Maynard Ferguson, a former world-class trumpeter
Mandatory frequency for traffic advisories at an airport.
Manual focus, a feature of an optical system that allows the user to obtain and maintain correct focus on a target manually. (see also AF)
Saint Martin: ISO 3166-1 alpha-2 country code
Mayotte: FIPS PUB 10-4 territory code
Medium frequency, radio transmissions between the frequencies of 300 kHz and 3000 kHz
Megafarad, an SI unit of electric capacitance
Melodifestivalen, the Swedish preselection for the Eurovision Song Contest
METAFONT, a programming language for defining vector fonts using powerful geometrical equations.
Mezzo-forte, a musical dynamic range (Italian for "medium-strong")
"Metal Face" Doom (Daniel Dumile), an American hip-hop artist
"Mad Flows" Grimm, a hip-hop artist
MF N ...more