Leutschach is a former municipality in the district of Leibnitz in Austrian state of Styria. Since the 2015 Styria municipal structural reform, it is part of the municipality Leutschach an der Weinstraße.

Leutschach an der Weinstraße is since January 2015 a new municipality with 3,794 residents. The municipality was founded as part of the Styria municipal structural reform, on 31 December 2014, from the dissolved independent municipalities Leutschach, Schloßberg, Eichberg-Trautenburg and Glanz an der Weinstraße.