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. .kfx, a proprietary ebook format for the Amazon Kindle Kofax (stock ticker: KFX), 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 See also KFXS radio station KF (disambiguation)