Tarnoszyn [tarˈnɔʂɨn] is a village in the administrative district of Gmina Ulhówek, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 4 kilometres (2 mi) south of Ulhówek, 27 km (17 mi) east of Tomaszów Lubelski, and 126 km (78 mi) south-east of the regional capital Lublin.