| Type: | commune |
| County: | Bacău |
| Population Total: | auto |
| Tamași | |
| Coordinates: | 46.4833°N 85°W |
| Leader Name: | Andrei Daniel Matieș[1] |
| Term: | 2021 - 2024 |
Tamași (Hungarian: Tamás) is a commune in Bacău County, Western Moldavia, Romania. It is composed of three villages: Chetriș (Ketris), Furnicari (Furnikár) and Tamași. It included Gioseni village until 2005, when it was split off to form a separate commune.