Živko Kustić (12 December 1930 – 19 July 2014) was a Croatian journalist and writer.
Kustić studied mathematics, physics, and theology at the University of Zagreb before being ordained as a priest of the Greek Catholic Church of Croatia and Serbia in Žumberak in 1958.
He was the editor of Roman Catholic Archdiocese of Zagreb-published weekly Glas Koncila from 1963 until 1990.
In 1993, Kustić was appointed the first editor-in-chief of the Information Catholic Agency [hr] established by the Episcopal Conference of Croatia.
[1] During the Croatian Spring, among many others, Kustić was accused of stirring up Croatian nationalist views.