XER can stand for:
- XER-AM, a radio station in the 1930s in Villa Acuña, Mexico
- XER-AM (now XHR-FM), a radio station in Linares, Nuevo León, Mexico
- XML Encoding Rules, a set of ASN.1 encoding rules for formatting data in XML
- The ICAO Code for Xerox Corporation, United States
|This disambiguation page lists articles associated with the title XER.
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