| Type: | commune |
| County: | Buzău |
| Population Total: | auto |
| Subdivisions: | Băltăreți, Clondiru, Sărata, Ulmeni, Vâlcele |
| Ulmeni | |
| Coordinates: | 45.0833°N 64°W |
| Leader Name: | Valeriu Armeanu[1] |
| Leader Term: | 2020 - 2024 |
| Leader Party: | PSD |
Ulmeni is a commune in Buzău County, Muntenia, Romania. It is composed of five villages: Băltăreți, Clondiru, Sărata, Ulmeni and Vâlcele.