Bosniak Democratic Union (Serbian: Бошњачка демократска заједница, romanized: Bošnjačka demokratska stranka, BDZ) is a political party in Serbia, representing the Bosniak ethnic minority.

[2] Its founder and leader is economist Emir Elfić[2] (as of 2016).

[3] The party led the All Together ethnic minority political alliance that participated in the 2012 parliamentary election.

[5] In the 2014 elections, the alliance received 3,983 votes (0.11%) and lost its seat.

In March 2016, the BDZ and the Sandžak Democratic Party agreed on a coalition.