FSK

FSK can have alternative meanings:

  • Federal Counterintelligence Service, (Federalnaya Sluzhba Kontrrazvedki, Федера́льная Слу́жба Контрразве́дки), Federal Counterintelligence Service of Russia)
  • Frequency-shift keying, an electronic communications modulation scheme
  • Forsvarets Spesialkommando (FSK), a Norwegian special forces military unit
  • FSK (band), a German band
  • Freiwillige Selbstkontrolle der Filmwirtschaft, a German movie rating organization
  • Fsk, pen name for Boštjan Čadež, creator of Line Rider