The Bystraya Sosna () is a river in Oryol and Lipetsk oblasts in Russia. It is a right tributary of the Don, and it is long, with a drainage basin of .«Река Сосна (Быстрая Сосна)», Russian State Water Registry 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.
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