Grabniak [ˈɡrabɲak] is a village in the administrative district of Gmina Urszulin, within Włodawa County, Lublin Voivodeship, in eastern Poland. It lies approximately 6 kilometres (4 mi) west of Urszulin, 37 km (23 mi) south-west of Włodawa, and 40 km (25 mi) east of the regional capital Lublin.