Sielec [ˈɕɛlɛt͡s] is a village in the administrative district of Gmina Leśniowice, within Chełm County, Lublin Voivodeship, in eastern Poland. It lies approximately 7 kilometres (4 mi) north-east of Leśniowice, 14 km (9 mi) south of Chełm, and 71 km (44 mi) east of the regional capital Lublin.