Globally, 철성 (철성 
, Chul-Sung 
) is a rare boy's forename. The first name 철성 is habitual in Eastern Asia, particularly South Korea, where it is a rare boy's name.
| 이철성 South Korean baseball player (1957-), KR (b. 1957) |
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| 김철성 researcher (ORCID 0000-0001-7748-6094), KR |
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| 강철성 KR (b. 1973) |
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| 렴철성 KP |
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| 엄철성 North Korean association footballer, KP (b. 1992) |
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