Jarzeń [ˈjaʐɛɲ] is a village in the administrative district of Gmina Lelkowo, within Braniewo County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 31 kilometres (19 mi) east of Braniewo and 67 km (42 mi) north of the regional capital Olsztyn.