The Volchina (Russian: Волчина) is a river in Vyshnevolotsky, Udomelsky, and Maksatikhinsky Districts of Tver Oblast in Russia.

[1] The source of the Volchina is Lake Volchino, shared between Udomelsky (north) and Vyshnevolotsky (south) districts.

The outflow of the Volchina is located in Udomelsky District.

In the village of Ovsishche it turns east, flows to the boundary between the districts, marks a stretch of the boundary, and flows into Lake Perkhovo.

The drainage basin of the Volchina is located in the center of Tver Oblast and is split across seven districts: Udomelsky, Vyshnevolotsky, Spirovsky, Likhoslavlsky, Rameshkovsky, Bezhetsky, and Maksatikhinsky.