MF or mf may refer to:

Biology

  • Mossy fiber (disambiguation), in neuroscience
  • Mycosis fungoides, a type of skin disease
  • Myelofibrosis, a chronic clonal malignant disease
  • Microfibril rosettes, the sites of cellulose microfibril synthesis in plants

Companies, organizations, and politics

  • MF Dow Jones News, an Italian financial news agency
  • MF Milano Finanza, an Italian business newspaper
  • MF Global (also Man Financial), a former finance company NYSE listed as MF
  • MF Norwegian School of Theology, Religion and Society
  • Massey Ferguson, an agricultural equipment company
  • Methuselah Foundation, a non-profit volunteer organization devoted to anti-aging research
  • Micro Focus, a software company
  • Minority Front, a South African political party
  • Mitsubishi Fuso Truck and Bus Corporation, a Japanese manufacturer of trucks and buses
  • Mitsubishi Fuso Truck of America, Inc., a North American subsidiary
  • Mladá fronta DNES, a Czech newspaper
  • Musical Fidelity, a British high-end audio equipment manufacturer
  • Xiamen Airlines (IATA airline designator MF)
  • Muslims of France, a religious organization in France

Computing

  • MF and .mf, the country code and Internet top level domain for Saint Martin
  • Mainframe computer
  • MediaFire, a file hosting, file synchronization, and cloud storage service
  • Metafont, a font-definition programming language
  • Mozilla Firefox, a web browser
  • Multi-frequency, in telephony

Entertainment

Music

  • Mezzo forte (musical notation), a dynamic marking
  • Maynard Ferguson (1928–2006), trumpeter and bandleader
  • Melodifestivalen, the Swedish preselection for the Eurovision Song Contest
  • MF Doom (Daniel Dumile, 1971-2020), British-born hip hop recording artist
  • MF Grimm (born 1970), hip-hop artist
  • Mylène Farmer (born 1961), Canadian-born French singer and songwriter

Television

  • Making Fiends (TV series), an American animated horror comedy
  • Modern Family, an American sitcom
  • Monster Force, a 1994 animated television series
  • "Murder Family", the 2020 premiere episode of Helluva Boss

Video games

  • Metroid Fusion

Other uses

  • M/F, a novel by Anthony Burgess
  • m/f: a feminist journal, a British feminist magazine
  • MF or M/F, ship prefix for a motor ferry
  • Megafarad (MF), an SI unit of electric capacitance
  • Millifarad (mF), an SI unit of electric capacitance
  • The prefix for steel-wheel rolling stock on the Paris Metro
  • Monday–Friday (M–F), abbreviation for the American workweek
  • Mandatory frequency airport, a non-towered airport that requires aircraft to communicate on a published frequency
  • Manual focus
  • Master of forestry
  • Mayotte, France (FIPS PUB 10-4 territory code MF)
  • Medium format (film), a size of camera
  • Medium frequency, radio transmissions between the frequencies of 300 kHz and 3000 kHz
  • Membership function, in control engineering, in fuzzy sets
  • Midfielder, a playing position in association football
  • Milk fat, on dairy product labels in Canada
  • Motherfucker, an insult
  • Mutual fund, in finance
  • Member of the Folketing

See also

  • Miss Fortune (disambiguation)
  • My Friend (disambiguation)