Cygnus

Cygnus is the Latin word for swan and may refer to:

Astronomy

 * Cygnus (constellation), a northern constellation
 * Cygnus A, a radio galaxy within the constellation
 * Cygnus X (star complex), a star complex within the constellation
 * Cygnus X-1, a binary system within the constellation
 * Cygnus X-3, a binary system within the constellation

Business & industry

 * Cygnus 20, a Canadian sailboat design
 * Cygnus (spacecraft), a space vehicle developed by Orbital Sciences Corporation and Thales Alenia Space
 * Cygnus Air or Gestair Cargo, a Spanish cargo airline
 * Cygnus Business Media, a U.S.-based business-to-business publishing company
 * Cygnus Solutions, a company that provided commercial support for free software and the original developer of Cygwin

Other uses

 * Cygnus (genus), the genus of most swans
 * Cygnus (mythology) or Cycnus, a number of characters in Greek mythology
 * Cygnus X-1 (song series), a 1977–1978 two-part song series by Rush
 * Cygnus X (music group), a trance music project
 * Cygnus (spacecraft), an expendable spacecraft
 * Airbus A330 MRTT KC-330 Cygnus, South Korean aerial refuelling and military transport aircraft for the Republic of Korea Air Force (ROKAF) by Airbus
 * USS Cygnus, a fictional starship in The Black Hole
 * Empress Cygnus, a non-player character in the game MapleStory
 * Cygnus gas field, a UK North Sea gas field
 * Cygnus, Colombian Folk Rock/Metal Band