"Dark Matter" could refer to:

* ''Series/DarkMatter'', the Canadian-American ScienceFictionSeries based on the Creator/{{Dark Horse|Comics}} comic of the same name.
* ''[[TabletopGame/DarkMatter Dark•Matter]]'', the ConspiracyKitchenSink setting for ''TabletopGame/{{Alternity}}'' and later the ''TabletopGame/D20Modern'' roleplaying system.

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