The Vorona (Russian: Ворона) is a river in the Penza, Tambov, and Voronezh oblasts in Russia. It is a right tributary of the Khopyor, and is 454 kilometres (282 mi) long, with a drainage basin of 13,200 square kilometres (5,100 sq mi). The average discharge at the mouth is 41.5 cubic metres per second (1,470 cu ft/s). The river is frozen over from the beginning of December to the first half of April. Its main tributary is the Chembar.
|Native name||Ворона (Russian)|
|Length||454 km (282 mi)|
|Basin size||13,200 km2 (5,100 sq mi)|
|Progression||Khopyor→ Don→ Sea of Azov|