Nox may refer to:

Science and technology

  • NO<sub>x</sub>, a generic term for the mono-nitrogen oxides:
  • Nitric oxide (NO)
  • Nitrogen dioxide (NO<sub>2</sub>)
  • Nox (unit) (nx), a unit of illuminance
  • Nox (platform), a piece of the software-defined networking ecosystem
  • NADPH oxidase, a membrane-bound enzyme complex

Entertainment

  • Nox (Stargate), a race in the television series Stargate SG-1
  • Nox (Marvel Comics), a fictional character appearing in the Marvel Comics universe, based loosely on Nyx of Greek mythology
  • Nox (video game)
  • Nox (band), a pop band from Hungary
  • Nox, Noximilien, in the Wakfu cartoon series
  • Nox, in the U.S. TV series Star-Crossed
  • Nox, a fictional character in the series Incarnations of Immortality by Piers Anthony
  • Helié de Montbel (codenamed Nox), an operator from Delta Force (2025 video game)
  • NOX, a character from the Tokusatsu TV show, Kamen Rider ZEZTZ

Other uses

  • Nox (Night), the Roman equivalent of the Greek goddess Nyx
  • Nox, Shropshire, a hamlet in England
  • Nox (wrestler), ring name for Welsh professional wrestler Steffanie Rhiannon Newell
  • N.O.X., another term used for Night of Pan

See also

  • Atrophaneura nox, the Malayan batwing butterfly
  • Nox2, a subunit of NADPH oxidase
  • Night (Latin: Nox)
  • Knox (disambiguation)
  • Knock (disambiguation)
  • Nock (disambiguation)
  • Nitrogen oxide (disambiguation)