.sgm
# .sgm

.sgm may refer to the following file formats:

* Standard Generalized Markup Language
* Encoded Archival Description Document, an XML standard for encoding archival finding aids, maintained by the Library of Congress and the Society of American Archivists
* SoftQuad XMetaL File, for the SoftQuad Software XMetaL
* Visual Boy Advance Saved State File, VisualBoyAdvance
