MF
MF or mf may refer to:
- Master of forestry
- Literature
- M/F, a novel by Anthony Burgess
- Dairy product labelling
- M.F. or m.f., (milk fat) used in Canada on labels of dairy products such as milk, cream and cheese to indicate the percentage content of butterfat
- Media
- MF Milano Finanza, an Italian business newspaper
- MF Dow Jones News, an Italian financial news agency
- Mladá fronta DNES, a Czech newspaper
- Organisations
- Methuselah Foundation, a non-profit volunteer organization devoted to anti-aging research
- Art
- MF Poe, an American artist
- Companies
- Melton Foundation, an intercultural organisation registered in Virginia, United States
- MF Global, formerly known as "Man Financial", a failed global financial derivatives broker whose NYSE ticker symbol was MF before it was delisted
- Micro Focus, a software company headquartered in Newbury, England
- Mitsubishi Fuso Truck and Bus Corporation, a Japanese manufacturer of trucks and buses
- Mitsubishi Fuso Truck of America, Inc., a North American subsidiary of MFTBC, above
- Xiamen Airlines IATA airline designator
- Massey Ferguson, a manufacturer or agricultural equipment
- Musical Fidelity, a British manufacturer of Hi-Fi components
- Finance
- Sports
- Mick Foley, a retired professional wrestler
- Midfielder, a playing position in association football
- Music
- Mylène Farmer, a Canadian-born French singer and songwriter
- Maynard Ferguson, a former world-class trumpeter
- Melodifestivalen, the Swedish preselection for the Eurovision Song Contest
- Dynamics (music), a musical dynamic range (Italian "mezzo-forte")
- Daniel Dumile ("Metal Face Doom"), an American hip-hop artist
- GM Grimm ("Mad Flows" Grimm), a hip-hop artist
- Computing
- Mainframe computer
- METAFONT, a programming language for defining vector fonts using geometric equations
- Mozilla Firefox
- Mediafire
- Geography
- Saint Martin (France)
- .mf, the country code top level domain (ccTLD) for Saint Martin
- Mayotte FIPS PUB 10-4 territory code
- Mandatory frequency airport, for traffic advisories
- Photography
- Manual focus, a feature of an optical system that allows the user to obtain and maintain correct focus on a target manually
- Medium format (film), a size of camera usually using 6 cm-size 120-type roll film
- Education
- MF Norwegian School of Theology, Det teologiske Menighetsfakultet in Norwegian
- Science and technology
- Mossy fiber, in neuroscience
- Prefix for steel rolling stock on Paris Métro
- millifarad (mF), an SI unit of electric capacitance
- Mega-farad (MF), an SI unit of electric capacitance
- Medium frequency, radio transmissions between the frequencies of 300 kHz and 3000 kHz
- Multi-frequency, in telephony
- Membership function, in control eng
- Medicine
- Myelofibrosis, a chronic clonal malignant disease
- Mycosis fungoides, a type of skin disease
- Television
- Monster Force, a 1994 animated television series
- Power Rangers: Mystic Force
- Making Fiends (TV series)
- Modern Family
- Slang
- Motherfucker, an insult
- Computer games
- Miss Fortune, a champion from League of Legends