| Image Coa: | Wappen Grosshaslach.png |
| Type: | Ortsteil |
| Municipality: | Petersaurach |
| Coordinates: | 49.3364°N 10.7289°W |
| State: | Bayern |
| Region: | Mittelfranken |
| District: | Ansbach |
| Elevation: | 393 |
| Population: | 849 |
| Stand: | 2009-12-31 |
| Postal Code: | 09872 |
| Licence: | AN |
Großhaslach is a village and a former municipality in the municipality of Petersaurach, in the district of Ansbach, Middle Franconia, Germany.[1] [2]