| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kurt Ignaz (Curtius Ignatius-)•Haydn |
| Used name | Kurt•Haydn |
| Other names | Ion Haidu, János Haidú |
| Born | 15 August 1900 in Bistrița, Bistrița-Năsăud (ROU) |
| Died | 2 June 1942 (aged 41 years 9 months 18 days) in Pskov, Pskov (RUS) |
| Affiliations | Braşovia Brașov, Brașov (ROU) / Gloria Bistrița, Bistrița (ROU) |
| NOC |  Romania |
Kurt Haydn (also known as Ion Haidu in Romanian press articles) was a Romanian track and field athlete who competed in the decathlon. Haydn competed in the event at the 1928 Amsterdam Olympics with a best individual performance of 24th place in the discus throw. That was the final event that he participated in, however, as he did not start in the pole vault, javelin throw, and the 1,500 metres.
Personal Best: Dec – unknown.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Athletics | ROU |
Kurt Haydn | |||
| Decathlon, Men (Olympic) |
