| St. Peter am Hart | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 48.2542°N 13.0944°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Upper Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Braunau |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Robert Wimmer |
| Elevation M: | 372 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | BR |
| Postal Code Type: | Postal code |
| Postal Code: | 4963 |
| Area Code Type: | Area code |
| Area Code: | +43 7722 |
| Website: | www.st-peter-hart.ooe.gv.at |
St. Peter am Hart is a municipality in the district of Braunau in the Austrian state of Upper Austria.
St. Peter lies in the region of Innviertel. About 15% of the municipality is forest and the other 63% of it is farmland.