XM4 may refer to: * XM-4 Blues, a satellite operated by XM satellite radio * XM 4, a radio channel from Sirus XM satellite radio; see List of Sirius XM Radio channels * South African type XM4 tender, a steam locomotive tender * Moller ''XM-4'', a VTOL aircraft; see List of aircraft (Mo) * Lipán XM4, a variant of the Argentine drone Lipán M3; see List of unmanned aerial vehicles * XM4, a prototype version of the M4 carbine * XM4 rocket launcher U.S. helicopter armament subsystems

See also