FCS may refer to:

• Faith Christian School (disambiguation)
• Faujdarhat Collegiate School, in Chittagong, Bangladesh
• Florence Christian School in South Carolina, United States
• Florida College System, in the United States
• Foothills Christian Schools, in San Diego County, California, United States
• Forsyth County Schools in Georgia, United States
• Franklin College Switzerland, an American college in Switzerland
• Friendship Christian School (disambiguation)
• Friends' Central School, in Pennsylvania, United States

• Football Championship Subdivision, an American football classification in the NCAA in the United States for college football
• Fox College Sports, an American television sport network

• 1. FC Saarbrücken, in Germany
• FC Red Bull Salzburg, in Austria
• FC Schaffhausen, in Switzerland
• 1. FC Schweinfurt 05, in Germany
• 1. FC Slovácko, in the Czech Republic
• FC South End, in Trinidad and Tobago
• FC Strausberg, in Germany
• F.C. Südtirol, in Italy

• Fairchild Semiconductor, an American semiconductor company
• FCS Control Systems, a Dutch aerospace company
• Fibre Channel switch
• Fighter catapult ship
• Fin control system
• Final Cut Studio
• Fire-control system
• Flight control system
• Flight control surfaces
• Flow Cytometry Standard
• Fluorescence correlation spectroscopy
• Food contacting substances
• Frame check sequence, communication error detection
• Fusion Camera System
• Future Combat Systems

• Chalmers Naval Architecture Students' Society (Swedish: Föreningen Chalmers Skeppsbyggare)
• Faller Car System, a kind of slot cars, see Faller#Faller Car System
• Family and consumer science
• Federation of Conservative Students, a former student wing of the British Conservative Party
• Fellow of the Chemical Society (postnomial)
• Ferrocarril del Sur (English: Peru Southern Railway), a former peruvian railway company
• Fetal calf serum
• Foreign Commercial Service of the United States Department of Commerce
• Fraser Commando School, an Australian training facility
• The "favourable conservation status" of protected habitats and species in the European Union's Habitats Directive
• First customer shipment (ship, shipping), the stage in hardware or software development process when a certain product or a version thereof is provided to the customers for the first time

• FC (disambiguation)

This disambiguation page lists articles associated with the title FCS.
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