EMX

EMX or EmX may refer to:
 * emx+gcc, a DOS extender and DOS and OS/2 programming environment
 * Emerald Express (EmX), a bus rapid transit system in Lane County, Oregon
 * EuroManx, a defunct airline which held ICAO airline designator EMX
 * El Maitén Airport, an airport in Argentina which has IATA airport code EMX
 * Electribe EMX, music production station by Korg