Poperczyn [pɔˈpɛrt͡ʂɨn] is a village in the administrative district of Gmina Żółkiewka, within Krasnystaw County, Lublin Voivodeship, in eastern Poland. It lies approximately 6 kilometres (4 mi) east of Żółkiewka, 21 km (13 mi) south-west of Krasnystaw, and 44 km (27 mi) south-east of the regional capital Lublin.