| Type: | commune |
| County: | Buzău |
| Calvini | |
| Subdivisions: | Bâscenii de Jos, Bâscenii de Sus, Calvini, Frăsinet, Olari |
| Leader Name: | Valeriu Bîtu[1] |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.2458°N 26.3°W |
| Elevation: | 314 |
| Area Total: | 59.19 |
| Population Total: | auto |
| Postal Code: | 127130 |
| Area Code: | +40 238 |
Calvini is a commune in Buzău County, Muntenia, Romania. It is composed of five villages: Bâscenii de Jos, Bâscenii de Sus, Calvini, Frăsinet, and Olari.