| Câlneș | |
| Name Other: | Bahna |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Neamț County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Dochia, Traian, Podoleni, Mănoaia |
| Length: | 23km (14miles) |
| Mouth: | Bistrița |
| Mouth Coordinates: | 46.7647°N 26.6138°W |
| Basin Size: | 157km2 |
| Tributaries Left: | Bahnița, Celac, Verdele |
| Tributaries Right: | Văleni |
The Câlneș (also: Bahna) is a left tributary of the river Bistrița in Romania.[1] It flows into the Bistrița near Mănoaia. Its length is 23km (14miles) and its basin size is 157km2.