TFX may refer to: TFX Program, a fighter aircraft requirement for the United States that led to the General Dynamics F-111 Aardvark TFX (video game), a combat flight simulation game (full title TFX: Tactical Fighter eXperiment) Tokyo Financial Exchange (TFX), a futures exchange for trading futures contracts TAI TFX, a proposed fighter aircraft for Turkish Air Force service TFX, a power supply specification TFX (TV channel), French TV channel, previously NT1