MCX

MCX may refer to:
 * Manila Commodity Exchange, a commodity and derivatives exchange based in Makati, Philippines
 * Multi Commodity Exchange, an independent commodity exchange based in India.
 * Merchant Customer Exchange, a joint venture with the desired purpose of offering a new platform for smartphone-based transactions
 * MCX connector, a coaxial RF connector
 * Muntinlupa–Cavite Expressway, an expressway between Muntinlupa and Cavite
 * 1110, in Roman numerals
 * SIG Sauer MCX, a carbine series designed and manufactured by SIG Sauer