| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jo•Seong-Jae |
| Used name | Jo•Seong-Jae |
| Name order | Oriental |
| Original name | 조•성재 |
| Other names | Cho Sung-Jae |
| Born | 13 March 2001 |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Summer Olympics | Swimming (Aquatics) | KOR |
Jo Seong-Jae | |||
| 100 metres Breaststroke, Men (Olympic) | 20 | |||||
| 200 metres Breaststroke, Men (Olympic) | 19 | |||||
| 2024 Summer Olympics | Swimming (Aquatics) | KOR |
Jo Seong-Jae | |||
| 200 metres Breaststroke, Men (Olympic) | 12 |
