| Băbiu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sălaj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Mesteacănu, Băbiu |
| Length: | 17km (11miles) |
| Mouth: | Almaș |
| Mouth Location: | Almașu |
| Mouth Coordinates: | 46.9451°N 23.1344°W |
| Basin Size: | 70km2 |
| Tributaries Left: | Țăudu |
| Tributaries Right: | Cutiș |
The Băbiu is a left tributary of the river Almaș in Romania. It flows into the Almaș in the village Almașu.[1] It is 17km (11miles) long, and its basin size is 70km2.