| Ilse Hornung | |
| Also Known As: | Ilse Bietak |
| Country: | Austria |
| Birth Date: | 10 April 1908 |
| Death Place: | Vienna, Austria |
| Retired: | 1931 |
Ilse Hornung, later Bietak (10 April 1908 – 22 March 1994) was an Austrian figure skater who competed in ladies' singles. She finished eighth at the 1928 Winter Olympics and won the silver medal at the 1930 European Championships. She was the mother of Austrian figure skater Wilhelm Bietak.
| International | ||||||||
|---|---|---|---|---|---|---|---|---|
| Event | 1928 | 1929 | 1930 | 1931 | ||||
| align=left | 8th | |||||||
| align=left | 4th | |||||||
| align=left | bgcolor=silver | 2nd | 7th | |||||
| National | ||||||||
| align=left | bgcolor=cc9966 | 3rd | bgcolor=silver | 2nd |