| Roles
| Competed in Olympic Games
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| Sex
| Male
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| Full name
| Hong?Seong-Heun
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| Used name
| Hong?Seong-Heun
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| Name order
| Oriental
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| Original name
| 洪?성흔
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| Other names
| Hong Sung-Heon
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| Born
| 28 February 1977
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| Measurements
| 180 cm / 90 kg
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| Affiliations
| Doosan Bears, Seoul (KOR)
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| NOC
|  Republic of Korea
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