Ivona Dadic (born 29 December 1993) is an Austrian track and field athlete of Croatian descent.

[1] She competed at the 2012 Summer Olympics in the women's heptathlon event.

Her brother Ivan died in 2008 in car accident so she has a tattooed cross on her left hand with his name.

In 2015 Dadić won a bronze medal at the 2015 European U23 Championships with 6033 points.

This biographical article relating to Austrian athletics is a stub.