| Boz | |
| Name Other: | Boz-patak |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Hunedoara County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Gialacuta, Boz |
| Length: | 22km (14miles) |
| Mouth: | Mureș |
| Mouth Location: | Boz |
| Mouth Coordinates: | 45.9249°N 22.7481°W |
| Basin Size: | 70km2 |
| Tributaries Right: | Furcșoara, Bărăști |
The Boz (Hungarian: Boz-patak) is a right tributary of the river Mureș in Romania. It discharges into the Mureș near the village Boz. Its length is 22km (14miles) and its basin size is 70km2.