| Unirea | |
| Name Other: | Létom-pataka |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj, Alba |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Unirea |
| Length: | 15km (09miles) |
| Mouth: | Mureș |
| Mouth Location: | Unirea |
| Mouth Coordinates: | 46.3891°N 23.8051°W |
| Basin Size: | 134km2 |
| Tributaries Left: | Grind |
| Tributaries Right: | Stejeriș, Măhăceni |
The Unirea (Hungarian: Létom-pataka) is a right tributary of the river Mureș in Transylvania, Romania. It discharges into the Mureș in the village Unirea. Its length is 15km (09miles) and its basin size is 134km2.