KFX

KFX may refer to:

Computing

 * KFX (program), the kernel language of FX-87, a polymorphic typed functional language
 * Kameleon FireEx KFX, a computational fluid dynamics simulation program focusing on gas dispersion and fire simulation.
 * , a proprietary ebook format for the Amazon Kindle
 * Kofax (stock ticker: ), process automation software provider

Other uses

 * Kullui (ISO 639 language code: kfx)
 * KAI KF-X, a South Korean project for development of an indigenous fighter aircraft
 * KFX, a series of ATVs, see List of Kawasaki motorcycles
 * OMX Copenhagen 20, a stock market index for the Copenhagen Stock Exchange, formerly known as KFX