Mejznerzyn [mɛi̯zˈnɛʐɨn] is a village in the administrative district of Gmina Michów, within Lubartów County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) north of Michów, 24 km (15 mi) north-west of Lubartów, and 41 km (25 mi) north-west of the regional capital Lublin.