MMF may refer to:
Medicine Mismatch field, a brain response measured in magnetoencephalography Mycophenolate mofetil (tradename CellCept), an immunosuppressant drug used to prevent rejection in organ transplantation
Science and technology Magnetomotive force Methoxymethylfurfural, an intermediate in the production of renewable plastics and biofuels Micro-mechanics of failure, a failure theory for fibre reinforced composites micro-microfarad, (MMF or μμF), an obsolete unit of capacitance, equivalent to a picofarad Morgan–Mercer–Flodin, growth model Multi-mode optical fiber
Computing Memory-mapped file, a segment of virtual memory which has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource Minimum Marketable Feature, in software engineering, the smallest set of functionality that must be delivered in order for the customer to perceive value .mmf, a file extension used for Synthetic Music Mobile Application Format polyphonic ring tones Multimedia Fusion and Multimedia Fusion 2, software authoring tools from Clickteam Multimedia framework, a software framework that handles media Multiple master fonts, a format for fonts
Organisations and events Märta Måås-Fjetterström, a Swedish rug maker and workshop Manitoba Métis Federation Mercy Ministries Foundation, a Christian charitable organisation Mnet Music Video Festival Meredith Music Festival Myna Mahila Foundation, an Indian charitable foundation Music Managers Forum
Economics and finance Money market fund, an open-ended mutual fund that invests in short-term debt securities such as US Treasury bills and commercial paper Master of Mathematical Finance, a degree focusing quantitative analysis and mathematical finance Master of Money and Finance, a master's degree offered by the House of Finance at Goethe University Frankfurt, Germany
Other "Make Money Fast!", an email spam that has persisted on the internet since at least 1988 Male-male-female, a type of threesome involving two males and one female Memphis May Fire, an American metalcore band Mamfe Airport, Cameroon (by IATA code) Mundat language (by ISO 639 code) Multinational MRTT Fleet, a fleet of ultimately nine Airbus A330 MRTT aircraft operated by the European Defence Agency (EDA) for its six NATO nations A US Navy hull classification symbol: Fleet minelayer (MMF)