MUX, Mux, or mux may refer to: MUX, an abbreviation for multiplexer in circuit design Mux, another name for Multiplex (television) MUX, IATA code for Multan International Airport, Pakistan mux (windowing system), the windowing system for the Blit computer terminal MUX clamp, a tool used in deep sea drilling operations Multi-User eXperience, a computer gaming term (see: MU*) Marginal rate of substitution variable for the Marginal Utility of good x (MUx) Mux Mool, American electronic musician, DJ, and producer Isuzu MU-X, a SUV by Japanese Automobile Isuzu See also Muxe, Zapotec transgender term