Sitno [ˈɕitnɔ] is a village in the administrative district of Gmina Borki, within Radzyń Podlaski County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) north-east of Borki, 7 km (4 mi) south-west of Radzyń Podlaski, and 56 km (35 mi) north of the regional capital Lublin.