| Pietrosu | |
| Settlement Type: | Commune |
| Pushpin Map: | Moldova |
| Subdivision Type: | Country |
| Subdivision Type2: | District |
| Subdivision Name2: | Fălești District |
| Leader Party: | PSRM |
| Leader Title: | Mayor |
| Leader Name: | Gradinari Ghenadie |
| Coordinates: | 47.5008°N 27.9206°W |
| Population Total: | 811 |
| Elevation M: | 182 |
| Population As Of: | 2014 |
| Population Footnotes: | [1] |
| Postal Code Type: | Postal code |
| Timezone1: | EET |
| Utc Offset1: | +2 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +3 |
Pietrosu is a commune in Făleşti District, Moldova. It is composed of three villages: Măgura, Măgura Nouă and Pietrosu.[2]