CMX

CMX may refer to:


 * CMX (band), a Finnish rock band
 * CMX (DVD) by CMX
 * CMX (comics), a manga brand by DC Comics
 * Corel Presentation Exchange (CMX), a Corel Metafile Exchange file format supported by CorelDRAW
 * CMX Systems, a collaboration between CBS and Memorex which developed video editing systems in the 1970s
 * A video Edit decision list format
 * The IATA code (International Air Transport Association) for Houghton County Memorial Airport near Calumet, Michigan
 * 910 in Roman numerals
 * Short name given to Carrickmacross by locals
 * Abbreviation for COMEX, a commodities exchange in the CME Group
 * The brand used by Cinemex for their United States locations