| Dunavăț | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Mărăști, Brad, Filipeni, Fruntești |
| Length: | 21km (13miles) |
| Source1: | Valea Mare Forest |
| Source1 Coordinates: | 46.61°N 27.1589°W |
| Mouth: | Berheci |
| Mouth Location: | Downstream of Oncești |
| Mouth Coordinates: | 46.4603°N 27.2558°W |
| Mouth Elevation: | 169m (554feet) |
| Basin Size: | 71km2 |
| Tributaries Right: | Fruntești |
The Dunavăț is a right tributary of the river Berheci in Romania. It discharges into the Berheci in Oncești. Its length is 21km (13miles) and its basin size is 71km2.