The Zittau Mountains Nature Park (German: Naturpark Zittauer Gebirge; Upper Sorbian: Přirodny park Žitawske horiny) is a nature park in Germany, created in 2008.

The nature park comprise the German parts of the Lusatian Mountains at the borders with the Czech Republic and Poland and covers an area of 113 square kilometres (44 sq mi) of forests, lakes, meadows and peatlands.

Most of the Lusatian Mountains are in the Czech Republic, and these parts forms the Lusatian Mountains Protected Landscape Area (CHKO Lužické hory).

Zittau Mountains Nature Park consists of three protection zones: There are many protected species in the park, like arnica montana, aster alpinus, drosera rotundifolia, pedicularis palustris and many orchids.

The alpine shrew and many species of owl also live there.