Živko Radišić (Serbian Cyrillic: Живко Радишић, pronounced [ʒîːʋko rǎdiʃit͡ɕ]; 15 August 1937 – 5 September 2021) was a Bosnian Serb politician who served as the 2nd Serb member of the Presidency of Bosnia and Herzegovina from 1998 to 2002.

Born in Prijedor, Kingdom of Yugoslavia, present-day Bosnia and Herzegovina, on 15 August 1937, Radišić graduated in 1964 from the University of Sarajevo Faculty of Political Science.

In 1996, alongside Milorad Dodik, he formed the People's Alliance for Free Peace for the 1996 general election.

His term ended on 28 October 2002, and was succeeded as the Serb member by Mirko Šarović.

Živko was married to Draginja Radišić and spent most of their life living in Banja Luka.