Throughout the world, Sung-Hyun (성현 
, Sung-Hyun 
) is quite a rare mostly male, but seldom female first name. The first name Sung-Hyun is habitual in Eastern Asia, particularly South Korea, where it is quite a rare mostly male, but seldom female name. Parts of the name also exists independently as a last name Sung, and a last name Hyun.
| VARIANT | COUNTRY |
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| 성현 | South Korea |
| Sung-Hyun | South Korea, United States |
| sung-hyun hwang researcher (ORCID 0000-0003-2413-5287) |
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| sung-hyun son Ph.D. Princeton University 2006 |
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| sung-hyun kim researcher (ORCID 0000-0001-7803-2000) |
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| sung-hyun moon researcher |
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| sung-hyun kahng researcher |
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| sung-hyun chang South Korean particle physicist |
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| sung-hyun kim researcher ORCID 0000-0002-5051-2413 |
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| sung-hyun kim researcher ORCID 0000-0002-7596-3886 |
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| sung-hyun kim Korean carcinologist, KR |
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| sung-hyun cho researcher (ORCID 0000-0002-1365-1879) |
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| sung-hyun kim researcher (ORCID 0000-0002-0067-3972) |
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| sung-hyun sohn (b. 1971) |
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| hong sung-hyun South Korean judoka (1983-), KR (b. 1983) |
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| sung-hyun byun |
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| lee sung-hyun kickboxer, KR (b. 1991) |
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