| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | László•Demény | |
| Used name | László•Demény | |
| Born | 6 October 1953 in Budapest, Budapest |  HUN |
| Measurements | 176 cm / 72 kg | |
| Affiliations | BHSE — Budapest, Budapest | HUN |
| NOC | Hungary | HUN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Fencing | HUN |
László Demény | |||
| Foil, Individual, Men (Olympic) | 24 | |||||
| Foil, Team, Men (Olympic) | Hungary | 6 |
