XM3

XM3 may refer to:


 * XM-3 Rhythm, a satellite operated by XM satellite radio
 * XM 3, a radio channel from Sirus XM satellite radio; see List of Sirius XM Radio channels
 * Renault Samsung XM3, a South Korean automobile
 * Citroën XM 3.0, a French automobile
 * South African type XM3 tender, a steam locomotive tender
 * Moller XM-3, a VTOL aircraft; see List of aircraft (Mo)
 * XM3, a prototype version of the Bradley Fighting Vehicle
 * XM-3, a U.S. Army Vietnam War era sensor