KF or Kf may refer to:
Businesses and brands:
*
KF Aerospace
KF Aerospace is a Canadian aerospace company providing aircraft maintenance, engineering, training, parts manufacturing, commercial flight operations, and pilot training. KF is a Transport Canada Design Approval Organization (DAO) and Recognized ...
, a Canadian aerospace company
**
KF Cargo, a Canadian cargo airline
**
KF Defence Programs, a Canadian defense contractor
*
Korea Foundation
*
Air Belgium, an airline based in Belgium (IATA code KF)
*
Blue1, a defunct airline based in Finland (IATA code KF)
*
Kelly's Fuels, fuels merchant in Northern Ireland
*
Kettle Foods, a snack foods manufacturer
*
Kooperativa Förbundet, a cooperative Swedish retail chain
*
KrisFlyer, the frequent flyer program of Singapore Airlines
*
Kiwi Farms
Games:
* ''
Katamari Forever'', a video game for the PlayStation 3
*
''Killing Floor'' (2009 video game), a cooperative survival horror video game
Science and technology:
* A member of the
Mazda K engine family
*
Kalman filter
In statistics and control theory, Kalman filtering (also known as linear quadratic estimation) is an algorithm that uses a series of measurements observed over time, including statistical noise and other inaccuracies, to produce estimates of unk ...
, in mathematics
*
Potassium fluoride, a chemical substance
* Kleinflansch, a
quick release vacuum flange
*
Cryoscopic constant, K
f, related to
freezing-point depression
Freezing-point depression is a drop in the maximum temperature at which a substance freezing, freezes, caused when a smaller amount of another, non-Volatility (chemistry), volatile substance is added. Examples include adding salt into water (u ...
*
Karl Fischer titration
*
Stability constants of complexes
In coordination chemistry, a stability constant (also called formation constant or binding constant) is an equilibrium constant for the formation of a complex in solution. It is a measure of the strength of the interaction between the reagents tha ...
, abbreviated as K
f (constant of formation)
*
Filtration coefficient
In physiology, filtration coefficient (Kf) is the product of a biological membrane's permeability to water and the surface area of the membrane. Typical units of Kf are mL/min/mmHg. The rate of filtration across the membrane is, by definition, the ...
*
Kline–Fogleman airfoil
Sports
*
Knattspyrnufélag Fjallabyggðar, an Icelandic sports team
{{disambiguation