Zettling is a former municipality in the district of Graz-Umgebung, in the Austrian state of Styria. It lies in the southern part of the Graz Basin, a few kilometres south of the city of Graz, the provincial capital.
Since the 2015 Styria municipal structural reform, Zettling has been part of the municipality of Premstätten, and it is no longer an independent municipality. The reform merged a number of small communes in the district into larger administrative units.
Its position within the Graz-Umgebung district places it in the wider metropolitan area of Graz, in a landscape of rolling hills and farmland typical of the region.