FSS

FSS may refer to:

Education

 * Faculty of Social Sciences, Charles University in Prague in the Czech Republic
 * Fernie Secondary School, in British Columbia, Canada
 * Friends Select School, in Philadelphia, Pennsylvania, United States
 * Frontenac Secondary School, in Kingston, Ontario, Canada

Government

 * Federal Security Service (Russia)
 * Federal Supply Service, part of the United States General Services Administration
 * Financial Supervisory Service (South Korea)
 * Food Standards Scotland
 * Forensic and Scientific Services, an agency of the state government of Queensland, Australia
 * Forensic Science Service, a defunct British crown corporation
 * Foreign Service Specialist, Department of State

Military

 * Fast Sealift Ship of the United States Navy
 * Fire Support Specialist, an artillery observer in the United States Army
 * RAF Kinloss, a former Royal Air Force station in Scotland

Sport

 * Florida State Seminoles, the sports teams of Florida State University
 * Football Association of Serbia
 * FS Seoul, a South Korean futsal club

Technology

 * Fish School Search
 * Fixed-satellite service
 * Fixed Service Structure, a launch tower leased by SpaceX at Kennedy Space Center, Florida, United States
 * Flats Sequencing System, a mail sorting system used by the United States Postal Service
 * Flight service station
 * Flying-spot scanner
 * Food Service Solutions, an American software company
 * Frequency selective surface

Other uses

 * FSS (brand), a Colombian sports apparel manufacturer
 * Federal Signal Corporation, an American emergency services equipment manufacturer
 * Fellow of the Royal Statistical Society
 * Finland-Swedish Sign Language
 * The Five Star Stories, a manga series by Mamoru Nagano
 * Flinders Street railway station in Melbourne, Australia
 * Foundation Stock Service Program, a dog breed registry
 * Fox Sports South, an American regional sports network by Fox Sports Networks
 * Freeman–Sheldon syndrome
 * FSS Code, an international maritime fire code
 * Standard Written Form (Cornish: Furv Skrifys Savonek), a Cornish orthographic standard
 * Swiss Socialist Federation (French: Fédération socialiste suisse), a defunct political party in Switzerland