# Sirius (disambiguation)

Sirius is the brightest star in the Earth's night sky.
Sirius may also refer to:

## Businesses and organisations

* SES Sirius, a Scandinavian satellite operator
** Sirius (satellite), a constellation of communications satellites
* Sirius-Aero, a Russian airline
* Sirius College, a school network established by Turkish Australians
* Sirius Corporation, a British open-source software services company
* Sirius Entertainment, an American comic book publisher
* Sirius Minerals, a British fertilizer development company
* Sirius Real Estate, a property company investing in German business parks
* Sirius Software, a 1980s video game publisher
* Sirius Systems Technology, American computer manufacturer of the Sirius 1 in 1981
* Sirius XM, an American broadcasting company
** Sirius Satellite Radio, a former satellite radio service
*** Sirius Canada
** List of Sirius XM Radio channels

## Mythology

* Sirius (mythology), the god who personifies the star in Greek mythology
* Maera (hound), sometimes referred to as Sirius
* Sirius (dog), a mythological companion of Orion according to Homer

## Places

* Sirius Cliffs, in Antarctica
* Sirius Islands, in Antarctica
* Sirius Knoll, in Antarctica
* Mount Sirius, in Antarctica
* Sirius Building, an apartment complex in Sydney, Australia
* Sirius (urban-type settlement), in Russia

## Science and technology

* Sirius (synchrotron light source), at the Laboratório Nacional de Luz Síncrotron in Brazil
* Eclipse Sirius, an open-source software project
* Ferranti Sirius, a 1961 small business computer
* Sirius visualization software, software for modeling molecules, discontinued since 2011
* SIRIUS (software), a software for annotating small molecules from mass spectrometry data
* Scientific International Research in Unique Terrestrial Station, a series of spaceflight experiments

## Arts and entertainment
### Fictional entities

* Sirius, the eponymous character of Sirius (novel), by Olaf Stapledon, 1944
* Sirius (Re:Zero), a character in the light novel series Re:Zero − Starting Life in Another World
* Sirius, in video game Bomberman 64
* Sirius, in the novel Planet of the Apes
* Sirius, a planet in video game Serious Sam 2
* Sirius Amory, in The Amory Wars series
* Sirius Black, in the Harry Potter series
* Sirius Cybernetics Corporation, a company in The Hitchhiker's Guide to the Galaxy
* R.U. Sirius, a space station in the Brewster Rockit: Space Guy! comic strip

### Film

* Sirius (1942 film), a Hungarian film
* Sirius (1975 film), a Czechoslovak war drama film
* Sirius (2013 film), a documentary film

### Music

* Sirius (Coleman Hawkins album), 1974
* Sirius (Clannad album), 1987
* "Sirius" (instrumental), a 1982 instrumental by the Alan Parsons Project
* Sirius (Stockhausen), a composition by Karlheinz Stockhausen
* Sirius, a 2015 mini album by Daizystripper
* "Sirius", a song by Bump of Chicken from the 2019 album Aurora Arc
* "Sirius", a song by Diaura from the 2013 album Focus
* "Sirius", a song by Eir Aoi
* "Sirius", a song by Mike Oldfield from the 2002 album Tres Lunas
* Quasimidi Sirius, a music synthesizer

### Other uses in arts and entertainment

* Sirius the Jaeger, an anime TV series
* Sirius: An Apocalyptic Order, 2022 documentary TV series
* Sirius: The Dog Star, a 2004 anthology of short stories
* Beatmania IIDX 17: Sirius, a 2009 video game
* Sirius (novel), a 1944 novel by Olaf Stapledon

## Transport
### Ships

* HMAS Sirius (O 266), a Royal Australian Navy tanker
* HMS Sirius, the name of several Royal Navy ships
* MV Sirius, a Greenpeace ship
* NB Sirius, a narrowboat conversion design
* RFA Sirius (A345), a Royal Fleet Auxiliary tanker, launched as SS Empire Faun
* SS Sirius, the name of several steamships
* USS Sirius, the name of several US Navy ships
* USNS Sirius (T-AFS-8), a US Navy support ship
* FV Sirius (1926), a German fishing trawler in service 1926–29

### Other uses in transport

* Sirius 20, a Canadian sailboat design
* Sirius 21, a Canadian sailboat design
* Sirius 22, a Canadian sailboat design
* Sirius 28, a Canadian sailboat design
* Alpaero Sirius, or Noin Siriua, a French motor glider
* Lockheed Model 8 Sirius, a 1929 monoplane
* Mitsubishi Sirius engine, an automobile engine

## Other uses

* Sirius (wine), produced by Sean Thackrey
* Sirius Dog Sled Patrol, a Danish naval unit
* List of IK Sirius sections, Swedish sports clubs
* R. U. Sirius (Ken Goffman, born 1952), an American writer
* Sirius (police dog),New York City police dog