In the world, 성현 (성현 
, Sung-Hyun 
) is quite a rare mostly masculine, but uncommonly girly first name. The first name 성현 is habitual in Eastern Asia, particularly South Korea, where it is quite a rare largely male, but infrequently girly name.
| VARIANT | COUNTRY |
|---|---|
| 성현 | South Korea |
| Sung-Hyun | South Korea, United States |
Seonghyeon, and ソンヒョン
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김성현 Korean-American intelligence officer, KR |
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고성현 South Korean badminton player, KR (b. 1987) |
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백성현 South Korean actor, KR (b. 1989) |
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문성현 South Korean baseball player, KR (b. 1991) |
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박성현 Korean golfer, KR (b. 1993) |
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김성현 South Korean singer, KR (b. 1996) |
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| 문성현 South Korean politician, KR (b. 1952) |
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류성현 South Korean gymnast, KR |
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| 고성현 South Korean opera singer and singer, KR (b. 1962) |
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| 김성현 South Korean baseball player (1963-), KR (b. 1963) |
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| 맹성현 KR (b. 1957) |
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| 박성현 KR (b. 1959) |
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| 정성현 South Korean serial killer, KR (b. 1969) |
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| 윤성현 South Korean Go player, KR (b. 1975) |
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| 조성현 KR (b. 1966) |
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