| Pyvesa | |
| Mouth Coordinates: | 56.0983°N 24.4396°W |
| Subdivision Type1: | Countries |
| Subdivision Type2: | Region |
| Length: | 92.6km (57.5miles) |
| Basin Size: | 501.6km2 |
Pyvesa is a river of Biržai district municipality, Panevėžys County, northern Lithuania. It flows for and has a basin area of 501.6km2.
It is a right tributary of the Mūša.[1]