European Parliament elections were held in Croatia on 26 May 2019, electing members of the national Croatia constituency to the European Parliament. These were the third such elections in the country since its accession to the European Union in 2013.

The Croatian Democratic Union is a major conservative, centre-right political party in Croatia. It is one of the two major contemporary political parties in Croatia, along with the centre-left Social Democratic Party (SDP). It is currently the largest party in the Sabor with 62 seats. The HDZ governed Croatia from 1990 before the country gained independence from Yugoslavia until 2000 and, in coalition with junior partners, from 2003 to 2011, and since 2016. The HDZ's leader, Andrej Plenković, is the current Prime Minister of Croatia, having taken office following the 2016 parliamentary election.