Azo or AZO may refer to:

  • Azo of Bologna, a medieval Italian jurist
  • Azo of Iberia, a Georgian ruler
  • Azo compound, a functional group and class of compounds
  • Azo dye, a class of colored compounds containing the azo group
  • Aluminium-doped zinc oxide, a transparent conducting film; see
  • Alpha Zeta Omega, a pharmaceutical fraternity
  • AutoZone (NYSE ticker symbol: AZO)
  • Awing language (ISO 639-3 code: azo), a Grassfields Bantu language spoken in Cameroon
  • Azimuth (airline) (ICAO airline code: AZO), a Russian airline
  • Kalamazoo/Battle Creek International Airport (IATA airport code: AZO), in Michigan
  • A urinary tract analgesic also known as phenazopyridine

See also

  • Asio (disambiguation)
  • ACO (disambiguation)