| Kolva | |
| Mouth: | Usa |
| Length: | 564km (350miles) |
| Basin Size: | 18100km2 |
The Kolva is a river in Nenets Autonomous Okrug and the Komi Republic in Russia. It is a right tributary of the Usa of the Pechora basin. The length of the river is 564km (350miles). The area of its basin 18100km2. The Kolva freezes up in late November and stays under the ice until mid-May.