Lipniak [ˈlipɲak] is a village in the administrative district of Gmina Stanin, within Łuków County, Lublin Voivodeship, in eastern Poland. It lies approximately 10 kilometres (6 mi) north-west of Stanin, 18 km (11 mi) west of Łuków, and 82 km (51 mi) north of the regional capital Lublin.