| Peștiș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Nandru, Josani, Pestișu Mic, Peștișu Mare |
| Length: | 22km (14miles) |
| Mouth: | Cerna |
| Mouth Location: | Peștișu Mare |
| Mouth Coordinates: | 45.7958°N 22.9288°W |
| Basin Size: | 54km2 |
| Tributaries Left: | Valea Boului |
The Peștiș is a left tributary of the river Cerna in Romania. It discharges into the Cerna in Peștișu Mare. Its length is 22km (14miles) and its basin size is 54km2.