| Jelerău | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Caraș-Severin County |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Băile Herculane |
| Length: | 5km (03miles) |
| Mouth: | Cerna |
| Mouth Location: | Băile Herculane |
| Mouth Coordinates: | 44.8864°N 22.4224°W |
| Basin Size: | 10km2 |
The Jelerău is a left tributary of the river Cerna in Romania. It flows into the Cerna in the town Băile Herculane. Its length is 5km (03miles) and its basin size is 10km2.