| Jieț | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Jieț, Petrila |
| Length: | 27km (17miles) |
| Source1: | Parâng Mountains |
| Mouth: | Jiul de Est |
| Mouth Location: | Petrila |
| Mouth Coordinates: | 45.4515°N 23.3994°W |
| Basin Size: | 80km2 |
The Jieț is a left tributary of the river Jiul de Est in Romania. It discharges into the Jiul de Est in Petrila.[1] Its source is in the Parâng Mountains. Its length is 27km (17miles) and its basin size is 80km2.
The following rivers are tributaries to the river Jieț (source to mouth):