St. Leonhard (German: [saŋkt ˈleːonhaʁt], in Germany [z-]) is the 2nd district of the Austrian city of Graz. It is located in the east of the city along the Leonhardbach and stretches south to the St. Peter City Cemetery. It borders the district of Geidorf to the north, Ries and Waltendorf to the east, Jakomini to the south and Innere Stadt to the west.

St. Leonhard, Graz
2nd city district of Graz
Herz-Jesu-Church
Country	Austria
Province	Styria
Statutory city	Graz
Area
• Total	1.83 km2 (0.71 sq mi)
Population  (2023)
• Total	14,756
• Density	8,100/km2 (21,000/sq mi)

The postal codes of Ries are 8010 and 8016. Within the district are situated the catholic churches of St. Leonhard (first mentioned in 1361) and Herz Jesu (Jesus heart - finished 1887), as well as the Protestant church Heilandskirche.