Ivona Dadić was born on 29 December 1993 in Wels, Austria to Nino and Danica Dadić, who are ethnic Croats from Bugojno, Bosnia and Herzegovina. Dadić was raised as a Roman Catholic. At the age of nine she won her first competition. Her brother Ivan died in 2008 in car accident so she has a tattoed cross on her left hand with his name. In 2015 Dadić won a bronze medal at the 2015 European U23 Championships with 6033 points. One year later she won a bronze medal at the 2016 Amsterdam with 6408 points.
Večernjakova domovnica (Večernji list) - Best Sportswoman in Croatian diaspora