The Democratic Union (Serbian Cyrillic: Демократски Cавез, DEMOS) is a political party in Republika Srpska, Bosnia and Herzegovina.

Its leader is Nedeljko Čubrilović, the former Speaker of the National Assembly of Republika Srpska.

The Democratic Union was founded by Nedeljko Čubrilović on 22 December 2018, the former Speaker of the National Assembly of Republika Srpska, who left the Democratic People's Alliance in November 2018.

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