| Bratcu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Gorj County |
| Length: | 11km (07miles) |
| Source1: | Vâlcan Mountains |
| Mouth: | Jiu |
| Mouth Coordinates: | 45.2176°N 23.3767°W |
| Basin Size: | 19km2 |
| Custom Label: | River code |
| Custom Data: | VII.1.19 |
The Bratcu is a right tributary of the river Jiu in Romania. It flows into the Jiu north of Bumbești-Jiu. Its length is 11km (07miles) and its basin size is 19km2.