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In all the world, Jae-Yoon (재윤 , Jae-Yoon
) is quite a rare largely masculine, but infrequently female first name. The forename Jae-Yoon is characteristic of Eastern Asia, particularly South Korea, where it is quite a rare dominantly boy's, but infrequently feminine name. Parts of the name also exists independently as a first name Jae, and a first name Yoon.