Gusev (; German, until 1945: Gumbinnen; Lithuanian until 1945: Gumbinė) is a town in Kaliningrad Oblast, Russia. It is situated close to the border with Lithuania, east of Chernyakhovsk. Population: 28,467 (2002 Census).

Before the end of World War II Gusev was part of East Prussia, Germany, and was known by its German name, Gumbinnen. In August 1914 a major battle on the eastern front of World War I, the Battle of Gumbinnen, took place here.

Gussew | Gusev | 구세프 | Gusev | Gusev | Gusiew | Гусев | Гусев | Gusev