What does OIOS stand for?

What does OIOS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OIOS.

We've found a total of 1 definition for OIOS:

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Office of Internal Oversight Services

Governmental » United Nations

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"OIOS." Abbreviations.com. STANDS4 LLC, 2016. Web. 9 Dec. 2016. <http://www.abbreviations.com/OIOS>.