MFS may refer to: Education Miletich Fighting Systems, a mixed martial arts training camp founded by Pat Miletich Moorestown Friends School, a private Quaker school located in Moorestown, New Jersey Moscow Finnish School, a Finnish private school in Russia Politics and religion Maryknoll Fathers' School, a government-funded co-ed in Hong Kong SAR, P.R.C. Master of Forensic Sciences, a specialized professional degree Meeting for Sufferings, a consultative body in Britain Yearly Meeting of the Religious Society of Friends (Quakers) Metropolitan Fire Service, South Australia's government-funded fire service Stasi, or Ministry for State Security (Ministerium für Staatssicherheit), the security and intelligence organisation of the German Democratic Republic Syriac Military Council (ܡܘܬܒܐ ܦܘܠܚܝܐ ܣܘܪܝܝܐ, Mawtbo Fulhoyo Suryoyo) Technology Macintosh File System, disk file system created by Apple Computer for storing files on 400K floppy disks MINIX file system, the native file system of the Minix operating system Media FileSystem, the filesystem used by TiVo Moose File System, an open-source distributed file system Metropolitan Fiber Systems, a telecommunications service provider acquired by WorldCom in 1997 Mobile financial services, a term used in Mobile banking Misfiring system or antilag system, a system used on turbocharged cars to cure turbo lag Science Material Flow System, a term used in material flow analysis, also can be a subsystem in various automated warehouse solutions (example: SAP EWM) Maximum flooding surface, the surface that marks the transition from a transgression to a regression Miller Fisher syndrome, a rare nerve disease, a variant of Guillain–Barré syndrome Marfan syndrome, a genetic disorder affecting connective tissue Major Facilitator Superfamily, a family of related proteins involved in active transport of solutes across a membrane Other MFS (label), a former German based trance label MFS 2000 Inc, a Hungarian ammunition manufacturer located in Sirok Multi-fuel stove, a type of stove Microsoft Flight Simulator, an amateur flight simulator series MFS Investment Management formerly Massachusetts Financial Services. Missouri Folklore Society, a historical society for Missouri folklore Octaviar, Australian property group formerly known as MFS