| Leșnic | |
| Name Other: | Lesnyek-patak |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Leșnic |
| Length: | 13km (08miles) |
| Mouth: | Mureș |
| Mouth Location: | Leșnic |
| Mouth Coordinates: | 45.9243°N 22.7388°W |
| Basin Size: | 31km2 |
The Leșnic (Hungarian: Lesnyek-patak) is a left tributary of the river Mureș in Romania. It discharges into the Mureș in the village Leșnic. Its length is 13km (08miles) and its basin size is 31km2.