| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jeong•Seong-An | |
| Used name | Jeong•Seong-An | |
| Name order | Oriental | |
| Original name | 정•성안 | |
| Other names | Jung Sung-Ahn | |
| Born | 26 November 1971 | |
| Measurements | 184 cm / 78 kg | |
| Affiliations | Yeosu City Office (KOR) | |
| NOC | Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Sailing | Jeong Seong-An | ||||
| Two-Person Dinghy, Open (Olympic) | Yun Cheol | 22 | ||||
| 1996 Summer Olympics | Sailing | Jeong Seong-An | ||||
| Two-Person Dinghy, Open (Olympic) | Kim Dae-Yeong | 28 | ||||
| 2000 Summer Olympics | Sailing | Jeong Seong-An | ||||
| Two-Person Dinghy, Open (Olympic) | Kim Dae-Yeong | 15 | ||||
| 2004 Summer Olympics | Sailing | Jeong Seong-An | ||||
| Two-Person Dinghy, Open (Olympic) | Kim Dae-Yeong | 23 |