In the entire world, Seong-Eun (성은 
, Seong-Eun 
) is quite a rare unisex first name. The forename Seong-Eun is habitual in Eastern Asia, particularly South Korea, where it is quite a rare unisex name. Parts of the name also exists independently as a last name Seong, and a first name Eun.
| seong-eun yoo researcher |
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| seong-eun koh researcher |
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| seong-eun kim researcher (ORCID 0000-0002-6310-5366) |
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| seong-eun kim researcher (ORCID 0000-0002-4518-4208) |
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| seong-eun byun researcher |
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| na seong-eun South Korean association football player (1996-) (b. 1996) |
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