| Bernadett Biacsi | |
| Nationality: | Hungarian |
| Sport: | track and field |
| Event: | 800m 1500m 3000m |
| Club: | Szegedi VSE |
| Coach: | Zemen János |
| Birth Date: | 29 December 1985 |
| Disability Class: | T20 |
| Birth Place: | Szeged, Hungary |
| Paralympics: | 2012 London |
Bernadett Biacsi (born 29 December 1985) is a Hungarian Paralympic athlete competing mainly in category T20 middle-distance events.[1] Biacsi competed at the 2012 Summer Paralympics in London, finishing fourth in the 1,500m race in her classification.[2] Biacsi won the silver medal at the European Championship in the 1,500 metres in 2014. She followed this with a second silver in the 800m, two years later at the 2016 European Championships in Grosseto. Biacsi's twin sister, Ilona is also a T20 middle-distance athlete and the two were chosen to be joint flag bearers at the opening ceremony of the 2012 Paralympics.[3]