| 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 | KOR |
Jeong Seong-An | |||
| Two Person Dinghy, Men (Olympic) | Yun Cheol | 22 | ||||
| 1996 Summer Olympics | Sailing | KOR |
Jeong Seong-An | |||
| Two Person Dinghy, Men (Olympic) | Kim Dae-Yeong | 28 | ||||
| 2000 Summer Olympics | Sailing | KOR |
Jeong Seong-An | |||
| Two Person Dinghy, Men (Olympic) | Kim Dae-Yeong | 15 | ||||
| 2004 Summer Olympics | Sailing | KOR |
Jeong Seong-An | |||
| Two Person Dinghy, Men (Olympic) | Kim Dae-Yeong | 23 |