{{wiktionary|cuo}} '''CUO''' may refer to:
* Company Under Officer, a military appointment in some Commonwealth countires. * CuO - Copper(II) oxide * COU is the ICAO airline designator for Aerocuahonte, Mexico * Compaq Users Organisation * Cadet Under Officer senior cadet rank in some youth cadet forces * King Cuo of Zhongshan * Chief Underwriting Officer used in insurance company or top underwriting occupation of an insurance company
==See also== * {{intitle|Cuo}}
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