| Roles | Competed in Olympic Games • Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | István•Koczka | |
| Used name | István•Koczka | |
| Born | 22 July 1958 in Budapest, Budapest |  HUN |
| Affiliations | Központi Sportiskola | |
| NOC | Hungary | HUN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Swimming (Aquatics) | HUN |
István Koczka | |||
| 400 metres Freestyle, Men (Olympic) | 24 | |||||
| 1,500 metres Freestyle, Men (Olympic) | 21 | |||||
| 1980 Summer Olympics | Swimming (Aquatics) | HUN |
István Koczka | |||
| 400 metres Freestyle, Men (Olympic) | ||||||
| 1,500 metres Freestyle, Men (Olympic) |
