Davor Ivo Stier
 Davor Ivo Stier (born 6 January 1972 in Buenos Aires) is a Croatian Democratic Union politician. Following Croatia's accession to the European Union in 2013 he was elected as one of the first group of Croatian members of the European Parliament.Stier was born into a Croatian expatriate family in Argentina—his paternal grandfather was a colonel in the Ustaše who left for South America after World War II. Stier returned to Croatia in 1996 and worked as a diplomat in Washington and Brussels.