Bisztynek [bʲiʂˈtɨnɛk] (German: Bischofstein) is a town in Bartoszyce County, Warmian-Masurian Voivodeship, Poland, with 2,282 inhabitants as of December 2021.

As a result of the Treaty of Versailles, the 1920 East Prussian plebiscite, which was completely boycotted by ethnic Poles, was organized on 11 July 1920 under the control of the League of Nations, which resulted in 2,581 votes to remain in Germany and none for Poland.

[5] After Germany's defeat in World War II in 1945, the town was part of the region that became part of Poland under the terms of the Potsdam Agreement.

The local football team is Reduta Bisztynek, which competes in the lower leagues.

This article about a location in Warmian-Masurian Voivodeship is a stub.