| Băiaș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Vâlcea County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Surdoiu, Pripoare, Băiașu |
| Length: | 19km (12miles) |
| Source1: | Cozia Mountains |
| Mouth: | Olt |
| Mouth Location: | Copăceni |
| Mouth Coordinates: | 45.3856°N 24.3005°W |
| Basin Size: | 87km2 |
The Băiaș is a left tributary of the river Olt in Romania. It discharges into the Olt in Copăceni.[1] Its length is 19km (12miles) and its basin size is 87km2.[2]
The following rivers are tributaries to the river Băiaș (from source to mouth):