Machnówek [maxˈnuvɛk] is a village in the administrative district of Gmina Ulhówek, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 10 kilometres (6 mi) south-east of Ulhówek, 35 km (22 mi) east of Tomaszów Lubelski, and 132 km (82 mi) south-east of the regional capital Lublin.