FC

*In biology, the Fc region is a region of an antibody which is constant and binds to receptors

FC can be a code for:
*"FC" is the IATA code for Finncomm Airlines

FC is an abbreviation of:
*Flying Circus, for Monty Python's Flying Circus.
*Fellow Craft, the second degree of Freemasonry.
*Facilitated communication, an Augmentative and Alternative Communication technique
*FC, a British progressive rock band formerly known as Final Conflict
*Fedora Core, a Linux distribution
*Fibre Channel, a serial computer bus intended for connecting high-speed storage devices to computers
*Microsoft File Compare, a software utility shipped with MS-DOS and Microsoft Windows that is a variant of diff
*Fight Club, the novel by Chuck Palahniuk or movie based on that novel.
*FirstClass, a collaboration software (groupware)
*Foot-candle, a unit of brightness.
*Football club
*Formal Charge, a Lewis structure concept in chemistry.
* Freedom Club, letters used by the Unibomber to denote his trademark.
*Fucked Company, a web site
*The second generation of the Mazda RX-7 (1986–1991), after the beginning of its vehicle identification number (JM1FC3)
*American terrorist Theodore Kaczynski, also known as the Unabomber, who used the signature FC (for "Freedom Club")
*Nintendo's Family Computer, also called "Famicom", the Japanese version of the Nintendo Entertainment System
*Friend Code, for Nintendo DS and Wii games capable of online play
*The "FC" type optical fiber connector
*Fan club
*Forward Centre, a position in basketball
*Full Combo, popular term in music video games - meaning not missing a note/beat.
*Fuel cell, an electrochemical energy conversion device.
*Further Confusion, a furry fan convention hosted in San Jose, California
*Formula Continental SCCA class designator FC