Ivan Antunovic (Hungarian: Antunovich János; June 19, 1815 – January 3, 1888) was a Bunjevac writer, one of the most prominent public persons among the Bunjevci and Šokci people of his time.
He was titular bishop in the service of the Kalocsa Archdiocese, Hungary.
Antunovic's writings helped preserve the language and culture of the Bunjevci and Šokci people.