| Cobia | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Dâmbovița County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Mislea, Gherghițești, Făgetu |
| Length: | 29km (18miles) |
| Mouth: | Potop |
| Mouth Coordinates: | 44.7368°N 25.3037°W |
| Progression: | Potop→ |
| Basin Size: | 56km2 |
| Tributaries Right: | Raciu |
The Cobia is a left tributary of the river Potop in Romania. It flows into the Potop north of Găești.[1] Its length is 29km (18miles) and its basin size is 56km2.