| Trebeș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bacău County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Podiș, Luncani, Valea Budului, Trebeș, Mărgineni |
| Length: | 28km (17miles) |
| Mouth: | Bistrița |
| Mouth Location: | Downstream of Bacău Dam |
| Mouth Coordinates: | 46.5719°N 26.9233°W |
| Mouth Elevation: | 141.5m (464.2feet) |
| Basin Size: | 184km2 |
| Tributaries Left: | Limpedea |
| Tributaries Right: | Slatina, Cârligați, Negel |
The Trebeș is a right tributary of the river Bistrița in Romania.[1] It discharges into the Bistrița in Bacău.[2] Its length is 28km (17miles) and its basin size is 184km2.