| Gârbău | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Alba County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Ghirbom, Berghin |
| Length: | 13km (08miles) |
| Mouth: | Secaș |
| Mouth Coordinates: | 46.1092°N 23.7845°W |
| Progression: | Secaș→ |
| Basin Size: | 50km2 |
The Gârbău is a left tributary of the river Secaș in Romania. It flows into the Secaș in Colibi. Its length is 13km (08miles) and its basin size is 50km2.