| Bystraya Sosna | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 296km (184miles) |
| Mouth: | Don |
| Mouth Coordinates: | 52.7022°N 38.9031°W |
| Basin Size: | 17400km2 |
| Tributaries Left: | Livenka |
The Bystraya Sosna (Russian: Бы́страя Сосна́) is a river in Oryol and Lipetsk oblasts in Russia. It is a right tributary of the Don, and it is 296km (184miles) long, with a drainage basin of 17400km2.[1] The river is usually frozen over from the end of November until the end of March.
The towns of Livny and Yelets are along the river.