Nedeljko Čubrilović (Serbian Cyrillic: Недељко Чубриловић; born 5 April 1953) is a Bosnian Serb politician who was the 6th Speaker of the National Assembly of Republika Srpska from 2014 to 2022. In 2000, he joined the Democratic People's Alliance (DNS). The DNS presidency dismissed Čubrilović as its vice president on 14 November 2018. Shortly after, he was elected as the 1st president of the newly established DEMOS on 22 December 2018 in Banja Luka.