fs

FS, fS or fs may refer to:

Arts and entertainment

• FS (musician) (real name Fred Sargolini), American dubstep producer and DJ from New York
• FS Catalogue, a numbered list of all compositions by Carl Nielsen
• FS Film, a Finnish film distributor

Businesses and organizations

In transportation

• Ferrocarril de Sóller, a railway on Majorca
• Ferrovie dello Stato, an Italian railway system
• First ScotRail, a British rail train operator
• ItAli Airlines (IATA airline designator FS)

Other businesses and organizations

• Frankfurt School of Finance & Management, a Business School in Frankfurt, Germany
• FS Investments, a fund management firm based in Philadelphia, Pennsylvania.
• FS Services, now Growmark, an agricultural supply cooperative
• Full Sail Real World Education, a university in Florida dedicated to real world education in the entertainment industry
• Future Shop, Canada's largest online and brick and mortar consumer electronics retailer

Mathematics, science, and technology

Computing

• FS register, in X86fs computer architecture
• File Separator, a character in the C0 and C1 control codes
• File server, a form of disk storage
• File system, in computer science and database theory
• Flipnote Studio, a DSi animation software
• Forward secrecy, a property of cryptographic systems
• Fullscreen, a picture format in 4:3 aspect ratio, as opposed to widescreen
• IBM Future Systems project a failed IBM project to develop a computer line to replace System/360

Health and medicine

• Fibrin sealant, a type of surgical tissue adhesive used during surgery to control bleeding
• Flight Surgeon, a physician who is responsible for the medical evaluation, certification and treatment of aviation personnel
• Fractional shortening of the heart

Mathematics

• Fourier series, a mathematical tool used for analyzing periodic functions
• Sampling rate (symbol ), in communications theory

Other uses in science and technology

• Femtosecond, an SI unit of time
• Femtosiemens, an SI unit of electric conductance
• Fin-stabilized projectile, such as the APFSDS or HEAT-FS
• Fine structure, in atomic physics
• Flank speed, a ship's true maximum speed
• Flight Simulator, a machine that tries to replicate the experience of flying
• Formula Student, a student engineering competition held annually in the UK
• Frameshift mutation, a genetic mutation
• Fujita scale (F-Scale), or Fujita-Pearson scale, a scale for rating tornado intensity
• Full scale, in electronics and signal processing, the maximum amplitude a system can present

Military

• Fire Support, a military term
• Flight Sergeant, a non-commissioned officer in some air forces
• Flight Surgeon, physicians who are primarily responsible for the medical evaluation, certification and treatment of aviation personnel
• French Ship, a NATO prefix for ships of the French Navy

Sport

• Fox Sports (United States)
• Free Safety, one variation of the defensive back position in American football
• Free skating, the second part of a figure skating competition

Other uses

• Federal Standard 595, a United States federal standard defining color shades
• Financial Secretary (Hong Kong)
• For Sale (disambiguation)
• Franco's Spain, Spain under the leadership of Francisco Franco
• French Southern Territories (FIPS PUB 10-4 territory code); excludes the Terre Adélie portion of Antarctica
• Full service (disambiguation)