The Democratic Union of Croats (Croatian: Demokratska zajednica Hrvata, Serbian: Демократска заједница Хрвата, DZH) is a political party in Serbia representing the Croat ethnic minority in the province of Vojvodina.

It was founded on 25 July 2007, and the party seat is in Subotica, Age Mamužića 5 Street.

Chronologically, DZH was fourth party of Croats from Serbia and third that emerged from dissatisfied fractions of the Democratic Alliance of Croats in Vojvodina.

[1] On Presidential Elections in Serbia in 2008, DZH appealed its members to support Boris Tadić in 2nd electoral round.

[2] On Parliamentary Elections in the autonomous province of Vojvodina in 2008, DZH joined the list Zajedno za Vojvodinu - Nenad Čanak, led by League of Social Democrats of Vojvodina.