FK

FK or fk may refer to:

Arts and entertainment

 * Flyer Killer, fictional automated robots in the Terminator film franchise
 * Fox Kids, a former American children's television programming block
 * Funky Kong, a video game character

Place

 * FK postcode area, UK, centred on Falkirk in Scotland.
 * Falkland Islands, FIPS PUB 10-4 territory code and ISO 3166 digram
 * .fk, country code top-level domain (ccTLD) for the Falkland Islands.

Other uses

 * First aid kit
 * First Corridor rail coach
 * Football Club, abbreviated "FK" in Slavic and Balkan countries
 * Foreign key, in database design
 * Forward kinematics, in robotics and animation, the use of kinematic equations to find the position of an articulated object
 * Fuck, an English-language vulgarity
 * Africa West Airlines (IATA airline designator FK)
 * Finders Keepers
 * kinetic friction, in physics, mechanics