| Petriș | |
| Name Other: | Petres-patak |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Arad County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Corbeşti, Petriș, Seliște |
| Length: | 14km (09miles) |
| Mouth: | Mureș |
| Mouth Location: | Seliște |
| Mouth Coordinates: | 46.0092°N 22.3968°W |
| Basin Size: | 111km2 |
| Tributaries Left: | Valea Roșie |
The Petriș (Hungarian: Petres-patak) is a right tributary of the river Mureș in Romania. It discharges into the Mureș in Seliște. Its length is 14km (09miles) and its basin size is 111km2.