XM2 may refer to:
- XM-2 Roll, a satellite for XM satellite radio
- XMX (XM) (aka XM2), a satellite radio channel for XM satellite radio
- Canon XM2, a camcorder
- Citroën XM 2.0, a French automobile
- South African type XM2 tender, a steam locomotive tender
- Moller XM-2, a VTOL aircraft; see List of aircraft (Mo)
- XM2, a prototype version of the Bradley Fighting Vehicle
- XM-2, a U.S. Army Vietnam War era sensor
- XM-2, a U.S. X-ray microscope for soft X-ray microscopy, the first such for biological samples
- XMII (aka XM 2), 2005 album by Porcupine Tree