| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jeong•Hae-In |
| Used name | Jeong•Hae-In |
| Name order | Oriental |
| Original name | 정•해인 |
| Other names | Jung Hae-In |
| Born | 14 July 1993 |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2010 Summer Youth Olympics | Athletics | KOR |
Jeong Hae-In | |||
| Long Jump, Boys (YOG) | 12 |
