| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Zheng•Jian | |
| Used name | Zheng•Jian | |
| Name order | Oriental | |
| Original name | 郑•健 | |
| Born | 22 October 1963 | |
| Measurements | 177 cm / 73 kg | |
| NOC | People's Republic of China |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Swimming (Aquatics) | Zheng Jian | ||||
| 100 metres Butterfly, Men (Olympic) | 27 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | People's Republic of China | 11 | ||||
| 1988 Summer Olympics | Swimming (Aquatics) | Zheng Jian | ||||
| 100 metres Butterfly, Men (Olympic) | 15 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | People's Republic of China | 19 |