MMF may refer to:

• Mismatch field, a brain response measured in magnetoencephalography
• Mycophenolate mofetil (tradename CellCept), an immunosuppressant drug used to prevent rejection in organ transplantation

• 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

• 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

• 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

• 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

• "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)

This disambiguation page lists articles associated with the title MMF.
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