| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jang•Chang-Seon | |
| Used name | Jang•Chang-Seon | |
| Name order | Oriental | |
| Original name | 장•창선 | |
| Other names | Chang Chang-Sun | |
| Born | 12 June 1942 in Incheon, Incheon |  KOR |
| Died | 20 July 2026 (aged 84 years 1 month 8 days) in Incheon, Incheon | KOR |
| Measurements | 158 cm / 56 kg | |
| NOC | Republic of Korea | KOR |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
Chang Chang-Sun had the following finishes at major championships – 1966 World Championship: 52.0 kg. Freestyle (1st).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Wrestling | KOR |
Jang Chang-Seon | |||
| Flyweight, Freestyle, Men (Olympic) | 2 | Silver |
