Lejno [ˈlɛi̯nɔ] is a village in the administrative district of Gmina Sosnowica, within Parczew County, Lublin Voivodeship, in eastern Poland. It lies approximately 9 kilometres (6 mi) south of Sosnowica, 25 km (16 mi) south-east of Parczew, and 41 km (25 mi) north-east of the regional capital Lublin.