| Păiș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Iași County |
| Length: | 12km (07miles) |
| Mouth: | Jijioara |
| Mouth Coordinates: | 47.3672°N 27.2144°W |
| Progression: | Jijioara→ |
| Basin Size: | 52km2 |
| Tributaries Right: | Barboșica |
| Custom Label: | River code |
| Custom Data: | XIII.1.15.27.2 |
The Păiș is a right tributary of the river Jijioara in Romania. It flows into the Jijioara in Focuri. Its length is 12km (07miles) and its basin size is 52km2.