 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Jeong•Seong-Ryong | 
| Used name | Jeong•Seong-Ryong | 
| Name order | Oriental | 
| Original name | 정•성룡 | 
| Other names | Jung Sung-Ryong | 
| Born | 4 January 1985 in Gwangju, Gyeonggi (KOR) | 
| Measurements | 190 cm / 88 kg | 
| Affiliations | Seongnam Ilhwa Chunma, Seongnam (KOR) / Suwon Bluewings, Suwon (KOR) | 
| NOC |  Republic of Korea | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 0 | 
| Bronze | 1 | 
| Total | 1 | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Football (Football) |  KOR | Jeong Seong-Ryong | |||
| Football, Men (Olympic) | Republic of Korea | 10 | ||||
| 2012 Summer Olympics | Football (Football) |  KOR | Jeong Seong-Ryong | |||
| Football, Men (Olympic) | Republic of Korea | 3 | Bronze |