Heiligenkreuz, which means 'Holy Cross' in German, may refer to:
In Austria: Heiligenkreuz, Lower Austria, a municipality in Lower Austria Heiligenkreuz Abbey in this municipality Heiligenkreuz im Lafnitztal, a municipality in Burgenland Heiligenkreuz am Waasen, a municipality in Styria
In the Czech Republic: Chodský Újezd, a municipality in the Czech Republic
In Slovakia: Žiar nad Hronom, a town in Slovakia
In Slovenia: Beli Grič, a settlement in the Municipality of Mokronog–Trebelno, formerly known as Heiligenkreuz Podbočje, a settlement in the Municipality of Krško, formerly known as Heiligenkreuz