XM4
# XM4

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
