The Bityug is a river in Voronezh Oblast, Russia.
Bityug may also refer to several rural localities in Russia: Bityug, Kursk Oblast, a village in 2-y Ponyrovsky Selsoviet of Ponyrovsky District of Kursk Oblast Bityug, Tula Oblast, a settlement in Krasnodubrovsky Rural Okrug of Volovsky District of Tula Oblast Bityug, Voronezh Oblast, a settlement in Khlebenskoye Rural Settlement of Novousmansky District of Voronezh Oblast