Sirius Corporation may refer to:
- Sirius Corporation Ltd, a UK open source services company
- Sirius Entertainment, a US comic book company
- Sirius Satellite Radio, a North American satellite radio service
- Sirius XM Radio, a holding company
- Sirius (satellite), communications satellites operated by SES Sirius
- SES Sirius, a Scandinavian satellite operator
- Sirius Systems Technology, a defunct California personal computer manufacturer
- Sirius Cybernetics Corporation, a fictional company from Douglas Adams' The Hitchhiker's Guide to the Galaxy
|This disambiguation page lists articles associated with the title Sirius Corporation.
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