Szczałb [ʂt͡ʂau̯p] is a village in the administrative district of Gmina Krzywda, within Łuków County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) south-east of Krzywda, 18 km (11 mi) south-west of Łuków, and 64 km (40 mi) north of the regional capital Lublin.