FX, F-X, F/X, Fx, or fx may refer to:
FX (originally an initialism of "Fox Extended", pronounced and suggesting "effects") is an American basic cable and satellite television channel launched on June 1, 1994, based in Los Angeles, California and owned by 21st Century Fox through FX Networks, LLC.
FXCM, also known as Forex Capital Markets, is a retail foreign exchange broker, now run from London after being banned from United States markets for defrauding its customers.
FXX is an American digital cable and satellite television channel launched on September 2, 2013, owned by 21st Century Fox through FX Networks, LLC.
"Fxxk It" (Korean: 에라 모르겠다) is a song recorded by South Korean boy band Big Bang. It was released digitally on December 12, 2016, by YG Entertainment, as the fifth single from Made (2016).
FX Movie Channel (FXM) is an American digital cable and satellite television channel that is owned by the Fox Entertainment Group, subsidiary of 21st Century Fox.
FX is a Canadian English-language Category B cable and satellite television specialty channel that is owned as a partnership between Rogers Media, a division of Rogers Communications (which owns a controlling 66.64% interest and serves as managing partner) and the FX Networks subsidiary of 21st Century Fox (which owns the remaining 33.36%).