Mogilnica [mɔɡilˈnit͡sa] is a village in the administrative district of Gmina Siedliszcze, within Chełm County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) east of Siedliszcze, 20 km (12 mi) west of Chełm, and 46 km (29 mi) east of the regional capital Lublin.