| Acronym | Definition |
|---|
| XSM➣Cross Site Mirroring |
| XSM➣Xml Session Manager |
| XSM➣X-Ray Solar Monitor |
| XSM➣eXtensible Site Manager (content management system) |
| XSM➣eXtreme Scale Mote (wireless sensor network platform) |
| XSM➣Xerox Services Manager |
| XSM➣St. Mary's, MD (airport code) |
| XSM➣X/Open System Management |
| XSM➣Experimental Strategic Missile |