Krumegg is a former municipality in the district of Graz-Umgebung, in the Austrian state of Styria. It lies in the southeastern part of the state, within the broader Graz metropolitan area, whose administrative district takes its name from the city of Graz.
Since the 2015 Styria municipal structural reform, Krumegg has been part of the municipality of Sankt Marein bei Graz. The reform reduced the number of municipalities in Styria through mergers, and Krumegg was among those absorbed into a larger neighbouring community.
As a result, Krumegg is no longer an independent administrative unit; it is now a constituent part of Sankt Marein bei Graz, which carries out municipal functions on its behalf.