| Piersno | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lower Silesian |
| Subdivision Type2: | County |
| Subdivision Name2: | Trzebnica |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Trzebnica |
| Coordinates: | 51.2775°N 17.1578°W |
| Pushpin Map: | Poland |
Piersno is a village in the administrative district of Gmina Trzebnica, within Trzebnica County, Lower Silesian Voivodeship, in south-western Poland.[1]