The Croatian Union () was a Croatian political party in Kingdom of Serbs, Croats and Slovenes. The party was founded through the merger of the Mile StarÃÂeviÃÂ faction of the Party of Rights and the . Thus formed party, led by Ivan LorkoviÃÂ and Matko Laginja, had its representatives in the country's provisional legislative body, the Temporary National Representation.
In the 1920 Kingdom of Serbs, Croats and Slovenes Constitutional Assembly election, the Croatian Union received 2 percent of votes in Croatia-Slavonia winning three seats in the national assembly of the kingdom and 3 percent in Dalmatia winning another seat thereâÂÂfor a total of four seats. In 1921, the Croatian Union joined the Croatian Bloc coalition dominated by the Croatian Republican Peasant Party (HRSS), adopting republicanism advocated by the HSS's leader Stjepan RadiÃÂ. Following the change of programme of the HRSS, the Croatian Union left the Croatian Bloc in 1925. The party dissolved in the following year, when a portion of its membership was joined by HRSS dissidents to establish the led by Lorkoviàand Ante TrumbiÃÂ.