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On Wikipedia, OS may refer to Oversight

OS, O.S., Os, O's, or os may refer to:

In arts and entertainment[edit]


  • Ordnance Survey, national mapping agency of Great Britain
  • Austrian Airlines (IATA code OS based on its original name: Österreichische Luftverkehrs AG)
  • O.S. Engines, a Japanese manufacturer of model aircraft engines
  • OutSystems, multinational software company which operates in the agile software development market

In religion[edit]

  • Ōs, an Old English word denoting a god in Anglo-Saxon paganism, related to æsir
  • O.S., Order of Santiago, a Spanish order dedicated to St James the Greater
  • O.S., Order of Sikatuna, the national order of diplomatic merit of the Philippines



  • Oś, Kluczbork County, a village in Kluczbork County, Opole Voivodeship, Poland
  • Os, Hedmark, a municipality in Hedmark county, Norway
  • Os, Hordaland, a municipality in Hordaland county, Norway
  • Os, Värnamo, a village in Värnamo Municipality, Småland province, Sweden
  • Os, Østfold, a parish in Rakkestad municipality in Østfold county, Norway
  • Os Church, a name for several churches in Norway
  • Os. or Osiedle, a Polish term used for housing subdivisions in Poland

In science and technology[edit]

In medicine[edit]

Other uses in science and technology[edit]

In sports[edit]


Other uses[edit]

See also[edit]