In all the world, 성우 (성우 
, Sung-Woo 
, Seong-Woo ) is quite a rare boy's first name. The first name 성우 is habitual in Eastern Asia, particularly South Korea, where it is quite a rare male name.
| VARIANT | COUNTRY |
|---|---|
| 성우 | South Korea |
| Seong-Woo, Sung-Woo | South Korea, United States |
| 박성우 South Korean politician, KR (b. 1914) |
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배성우 South Korean actor, KR (b. 1972) |
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이성우 South Korean singer, KR (b. 1976) |
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| 장성우 North Korean politician, KP (b. 1933) |
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전성우 South Korean actor, KR (b. 1987) |
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| 홍성우 South Korean politician, KR (b. 1941) |
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| 양성우 South Korean politician, KR (b. 1943) |
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옹성우 South Korean singer, KR (b. 1995) |
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| 홍성우 KR (b. 1938) |
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| 문성우 South Korean lawyer, KR (b. 1956) |
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| 조성우 South Korean pianist, KR (b. 1963) |
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| 오성우 South Korean comedian (1966-2013), KR (b. 1966) |
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| 배성우 South Korean singer, KR (b. 1967) |
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| 신성우 South Korean singer and actor, KR (b. 1968) |
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| 김성우 KR (b. 1959) |
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