Sirius (disambiguation)
Sirius may refer to several topics:
- Sirius (α Canis Major, also known as the Dog Star) is the brightest star (-1.46m) in the night sky.
- Sirius (1944) is also the title of a science fiction novel by Olaf Stapledon about a dog artificially developed to have superhuman intelligence.
- Sirius is also a racehorse who won the 1944 Melbourne Cup.
- Sirius Satellite Radio is also the name of a satellite radio (DARS) company.
- Sirius Black is also the name of a character in J. K. Rowling's Harry Potter novels.
- SIRIUS satellites operated by Nordic Satellite