| Area Total Km2: | 8.86 |
| Population Total: | 16629 |
| Population As Of: | 2023 |
| Population Density Km2: | auto |
| Settlement Type: | 8th city district of Graz |
| Postal Code Type: | Postal code |
| Postal Code: | 8010, 8041, 8042, 8051 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Styria |
| Subdivision Type2: | Statutory city |
| Subdivision Name2: | Graz |
St. Peter (pronounced as /de/) is the 8th District of Graz, in Styria, Austria. Its area is 8.86 km2. Its population is 16.629 (1. Jänner 2023).[1] It was formed in 1938 from the villages of Messendorf, Neufeld, Peterstal and Petersbergen.