The Tifina , also known as the Tikhvinka is a river in Bezhetsky, Rameshkovsky, Maksatikhinsky, Likhoslavlsky, and Spirovsky Districts of Tver Oblast in Russia. It is a right tributary of the Volchina River and belongs to the drainage basin of the Volga River. It is long, and the area of its basin . The principal tributary is the Sudomlya (left).