The flag of the Organization for Security and Co-operation in Europe is a flag used to represent the Organization for Security and Co-operation in Europe, an intergovernmental organisation with member states in Europe, Central Asia and North America.^[2][3][4]

The flag consists of a white field charged the logo of the organisation, i.e. four blue squares containing the lower-case letters "o", "s", "c" and "e". Variants also exist in the German and Russian languages.^[5][6]

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  German language variant
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  Russian language variant
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  Variant used by the Parliamentary Assembly
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  Variant used by the Court of Conciliation and Arbitration
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  Variant used by the High Commissioner on National Minorities
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  Variant used by OSCE Representative on Freedom of the Media

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  Banners flying at the OSCE headquarters at the Hofburg in Vienna
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  Flags of the OSCE and member states
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  OSCE flag being flown at a field office in Mostar, Bosnia and Herzegovina