FC

Businesses, organisations, and schools

fc (Unix), computer program that relists commands
FC connector, a type of optical-fiber connector
Flash controller
Family Computer, video game console released in Japan in 1983, later redesigned and brought to the west as the Nintendo Entertainment System
Fibre Channel, a serial computer bus
File Compare (fc), an MS-DOS, OS/2 and Windows command line tool
fc a casefolding feature in perl

Female condom (FC1, FC2), a contraceptive
Foot-candle (symbol fc or ft-c), a unit of illumination
Formal charge, a Lewis structure concept in chemistry
Fuel cell, an electrochemical cell that converts the chemical energy from a fuel into electricity
Ferrocene (denoted as Fc), an organic compound
Fragment crystallizable region, the tail end of an antibody, shortened to Fc.

Fielder's choice, in baseball statistics
First-class cricket, a match classification
Football club (association football), many association football clubs have "FC" at the beginning or the end

FC (band), UK
Facilitated communication, a discredited communication technique in disabled care
Fact-checking, a process of verifying information
Fire Controlman, a rank of the U.S. Navy
Province of Forlì-Cesena, Italy, vehicle registration code
Forward caste, in Indian society
Franking credit, a type of tax credit
Freedom Club, a pseudonym of the "Unabomber" Ted Kaczynski
Fucked Company, a defunct web site
Full combo, a term used in rhythm games
Functional conversation, designed to convey information in order to help achieve an individual or group goal
Further Confusion, a furry convention held in the Bay Area of California each January
EA Sports FC, video game series