| Gioroc | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Dolj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Castranova |
| Length: | 15km (09miles) |
| Mouth: | Jiu |
| Mouth Coordinates: | 44.1042°N 23.8789°W |
| Basin Size: | 55km2 |
The Gioroc is a left tributary of the river Jiu in Romania. It flows into the Jiu near Foișor. Its length is 15km (09miles) and its basin size is 55km2.