| Ciobănuș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Harghita, Bacău |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ciobăniș, Ciobănuș |
| Length: | 33km (21miles) |
| Source1: | Ciuc Mountains |
| Mouth: | Trotuș |
| Mouth Location: | Ciobănuș |
| Mouth Coordinates: | 46.4445°N 26.3372°W |
| Basin Size: | 136km2 |
| Tributaries Right: | Lovaș, Tulburea, Lapoș |
The Ciobănuș is a right tributary of the river Trotuș in Romania.[1] Its source is in the Ciuc Mountains, northeast of the city Miercurea Ciuc. It discharges into the Trotuș in the village Ciobănuș. Its length is 33km (21miles) and its basin size is 136km2.