Qux may refer to:

  • Yauyos–Chincha Quechua (ISO 639 language code: <code>qux</code>), a South American language
  • Quadra FNX Mining (stock ticker: <code>QUX</code>), a Canadian mining company
  • Qüxü County (geocode <code>QUX</code>), Tibet, China; see List of administrative divisions of the Tibet Autonomous Region
  • Qux (computer science), a common metasyntactic variable or placeholder name
  • <code>QUX</code> (radiotelegraphy), a Q-code encoding the phrase Do you have any navigational warnings or gale warnings in force?
  • Unicode symbol U+A40D (qux), see Yi Syllables

See also

  • "qux", a word in the Chitimacha language