Family name Jae-Youn (재연 
, Jae-Youn 
) , throughout the world, is an extremely rare surname. Much more prevalently, Jae-Youn is the forename as well as the last name. Parts of the name also exists independently as a first name Jae, and a first name Youn.
| kim jae-youn South Korean swimmer (b. 1996) |
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