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All around the world, Oon (Oon , وون , โออ่อน) is quite a rare unisex first name. The given name Oon is habitual in South-eastern Asia, particularly Indonesia, where it is quite a rare epicene name, Singapore, where it is a rare unisex name, and Malaysia. Measured by absolute frequency, it is the most numerous in Indonesia, China, and Malaysia. Also, Oon is the last name as well as the forename.