| Cubia | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Spain |
| Subdivision Type2: | State |
| Subdivision Name2: | Asturias |
| Subdivision Type3: | Region |
| Subdivision Name3: | Tolinas |
| Length: | 41km (25miles) |
| Source1 Elevation: | 1300m (4,300feet) |
| Mouth Location: | Nalón River |
| Basin Size: | 210km2 |
The Cubia is a river in northern Spain flowing through the Autonomous Community of Asturias.