OES stands for

  • Open Enterprise Server, a collection of network services
  • Optical emission spectrometry, an analytical method, see atomic emission spectrometry
  • Original Equipment Service, a collective term for a manufacturer of components in the spare parts business
  • Old English Sheepdog, a British dog breed, see Bobtail
  • Operationally Independent School, a concept of the Ministry of Culture, Youth and Sports of Baden -Württemberg for vocational schools
  • Austrian electronic system, an Austrian digital telephone system
  • District of Butzbach see Hausen- Oes
  • Disambiguation
  • Abbreviation