In the entire world, 우성 (우성 
, Woo-Sung 
) is quite a rare boy's first name. The first name 우성 is habitual in Eastern Asia, particularly South Korea, where it is quite a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| 우성 | South Korea |
| Woo-Sung | Canada, South Korea, United States |
| 김우성 South Korean politician, KR (b. 1912) |
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감우성 South Korean actor, KR (b. 1970) |
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| 장우성 KR (b. 1912) |
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정우성 South Korean actor, KR (b. 1973) |
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현우성 actor, KR (b. 1979) |
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조우성 KR (b. 1969) |
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| 유우성 ethnic Chinese person in Korea who was wrongly suspected to be a spy, KP |
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| 채우성 South Korean comedian, KR (b. 1984) |
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| 이우성 South Korean baseball player, KR (b. 1994) |
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