| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Gu•Hyo-Jin | |
| Used name | Gu•Hyo-Jin | |
| Name order | Oriental | |
| Original name | 구•효진 | |
| Other names | Ku Hyo-Jin | |
| Born | 19 June 1985 | |
| Measurements | 158 cm / 53 kg | |
| Affiliations | Koowol Women Middle School (KOR) | |
| NOC | Republic of Korea |  KOR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Swimming (Aquatics) | KOR |
Gu Hyo-Jin | |||
| 200 metres Breaststroke, Women (Olympic) | 11 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Republic of Korea | 17 |
