| Type: | commune |
| County: | Hunedoara |
| Baru | |
| Leader Name: | Daniel Răducanu |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.4667°N 33°W |
| Elevation: | 460 |
| Area Total: | 145.71 |
| Population Total: | auto |
| Postal Code: | 337035 |
| Area Code: | (+40) 02 54 |
Baru (Hungarian: Nagybár, German: Groß-Elephant) is a commune in Hunedoara County, Transylvania, Romania. It is composed of four villages: Baru, Livadia (Mezőlivádia), Petros (Petrosz), and Valea Lupului (Farkaspatak).
The Grădiștea Muncelului-Cioclovina Natural Park is partly located on the territory of the commune.