title: MF
text: # MF
  
  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 and organizations
  
  * 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
  * Massey Ferguson, an agricultural equipment company
  * Methuselah Foundation, a non-profit volunteer organization devoted to anti-aging research
  * Micro Focus, a software company
  * 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, born 1974), 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 (journal), British feminist journal
  * 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 Métro
  * 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
  