| Pra | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 167km (104miles) |
| Mouth: | Oka |
| Mouth Coordinates: | 54.7478°N 41.0094°W |
| Basin Size: | 5520km2 |
The Pra is a river in the Ryazan and Moscow Oblasts in Russia, a left tributary of the Oka.[1] It is in length. The area of its basin is .[2] The Pra River freezes up in late November and stays under the ice until April.