KF

KF or Kf may stand for:

  • Kooperativa Förbundet, a cooperative Swedish retail chain
  • a member of the Mazda K engine family
  • the IATA code for Blue1, an airline based in Finland
  • the metal halide (salt) Potassium fluoride
  • the Kalman Filter
  • Kettle Foods, a snack foods manufacturer
  • Katamari Forever a game on the PlayStation 3
  • Killing Floor, a cooperative survival horror video game
  • Klein Flange, a quick release vacuum flange
  • The symbol for freezing-point depression constant, Kf (see freezing-point depression)