FS

FS, fS or fs may refer to:

Arts and entertainment

Books

Businesses and organizations

Transportation

Science and technology

Computing

Medicine

  • 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

Physics

Military

Sport

Other uses