Leśniki [lɛɕˈniki] is a village in the administrative district of Gmina Korytnica, within Węgrów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Korytnica, 15 km (9 mi) west of Węgrów, and 59 km (37 mi) east of Warsaw.