Sarnów [ˈsarnuf] is a village in the administrative district of Gmina Stanin, within Łuków County, Lublin Voivodeship, in eastern Poland. It lies approximately 7 kilometres (4 mi) east of Stanin, 10 km (6 mi) south-west of Łuków, and 70 km (43 mi) north of the regional capital Lublin.