FX, F-X, F/X, Fx, or fx might refer to:

Arts, media, and entertainment

(See additionally below: )

Film and television

  • FX (TV channel), an international cable/satellite television network (see article for channels by country)
  • F/X (1986, additionally known as or subtitled Murder by Illusion), an American action-thriller film set in the world of special effects

Literature

Music

Medicine

Technology

Arts, media, and entertainment technology

Computing

  • AMD FX, 8-core processor
  • Athlon 64 FX, 2-core processor derived from AMD "Athlon 64"
  • dotNetFx, the Microsoft .NET Framework
  • JavaFX, A software platform for creating and delivering rich internet applications
  • Mozilla Firefox (abbreviated to Fx or fx), a web browser
  • “WinFX” was the pre-release codename of .NET 3.0

Vehicles

Other technologies

Other uses