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
Flight simulator, a professional simulator of planes
- Amateur flight simulation, a video game version of simulators
  - Microsoft Flight Simulator, an amateur flight simulator series
    - Microsoft Flight Simulator X, the 2006 edition, commonly referred to as FSX
    - Microsoft Flight Simulator (2020 video game), the 2020 edition, commonly referred to as FS

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

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
Feature structure, a set of attribute–value pairs

Felty's syndrome, autoimmune disease, with rheumatoid arthritis, enlargement of the spleen and too few neutrophils in the blood
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
Formularium Slovenicum, Slovenian addendum to the European Pharmacopoeia

Feldspar, a group of silicate minerals
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
Marine flooding surface, a sharp contact between deep-water and shallow-water facies in sequence stratigraphy

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

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)