Tikhaya Sosna

Tikhaya Sosna (Ти́хая Сосна́) is a river in Belgorod and Voronezh oblasts of Russia. It is a right tributary of the river Don. It is 161 km long, with a drainage basin of 4350 km2.

The river has its sources in the eastern part of Belgorod Oblast, on the southeastern slopes of the Central Russian Upland. It flows in a northeasterly direction, and joins the Don some 15 km west of the town of Liski in Voronezh Oblast.

Along the Tikhaya Sosna lie the towns of Biryuch, Alexeyevka and Ostrogozhsk.